최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0226796 (2014-03-26) |
등록번호 | US-9844183 (2017-12-19) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 141 |
A cam reel for use on a harvesting header which includes a plurality of reel bats disposed evenly around the reel shaft, each attached to radial arms extending outwardly from the reel shaft by bat arms pivotally attached to the radial anus such that the bat member itself can pivot about a pivot axis
A cam reel for use on a harvesting header which includes a plurality of reel bats disposed evenly around the reel shaft, each attached to radial arms extending outwardly from the reel shaft by bat arms pivotally attached to the radial anus such that the bat member itself can pivot about a pivot axis around the end of the radial arms. The reel ends of the radial anus define a circular bat path and the reel bats once attached can be pivoted about the pivot axis, parallel to the reel axis, in a bat pivot path to move both inside and outside of the radius of the circular bat path. The reel can be attached to various header assemblies using interchangeable end kits. A header using the reel is also disclosed.
1. A crop harvesting header comprising: a reel operable to be rotated about a reel axis, said reel comprising: (i) at least one radial arm extending generally radially outward from a reel shaft that is aligned with said reel axis, and said at least one radial arm operable for rotation about said ree
1. A crop harvesting header comprising: a reel operable to be rotated about a reel axis, said reel comprising: (i) at least one radial arm extending generally radially outward from a reel shaft that is aligned with said reel axis, and said at least one radial arm operable for rotation about said reel axis with said reel shaft;(ii) at least one reel bat supported by said at least one radial arm, said at least one reel bat operable for rotation with said radial arm about said reel axis, the at least one reel bat also being operable for pivoting movement about a bat pivot axis radially spaced from said reel axis and oriented generally parallel to the reel axis;(iii) a reel bat pivoting mechanism operable to cause pivoting movement of said at least one reel bat about said bat pivot axis; said at least one reel bat having a longitudinally extending bat member oriented in generally parallel relation to said bat pivot axis, with at least one crop finger connected to said bat member, said at least one crop finger extending generally away from said bat member; the at least one reel bat having a bat arm extending generally orthogonal to said bat pivot axis and being connected to said bat member, said bat arm operable for pivoting movement with said bat member about said bat pivot axis; said bat arm of said at least one reel bat being pivotally connected at a bat arm connection location to said at least one radial arm to allow for pivoting movement of said bat arm and said bat member about said bat pivot axis relative to said radial arm, during rotation of said reel about said reel axis; the movement of said bat arm connection location defining a defined circular path, when in operation said reel rotates with said at least one reel bat about said reel axis; the bat member being operable to be pivoted at said bat arm connection location about its bat pivot axis by pivoting movement of said bat arm relative to said radial arm so that in operation, the angle of the at least one crop finger about the bat pivot axis is varied, during rotation of the reel about the reel axis; said bat arm, said radial arm and said bat member being configured such that in operation, during rotation of said reel about said reel axis, as said reel bat pivoting mechanism causes pivoting movement of said bat arm and said bat member of said at least one reel bat about said bat pivot axis, said bat member moves in a bat pivot path that extends towards and away from said defined circular path; wherein said reel bat pivoting mechanism comprises: a path defining apparatus defining a non-circular path, said path surrounding said reel axis;an interconnecting mechanism comprising: (I) a first portion operable for movement along said non-circular path and (II) a second portion interconnecting said first portion and said at least one reel bat; such that in operation, rotation of said reel around said reel axis, causes said first portion of said interconnecting mechanism to move along said non-circular path to cause said interconnecting mechanism to pivot said at least one bat about said bat pivot axis. 2. A header as claimed in claim 1 wherein said bat arm, said radial arm and said bat member are configured such that in operation, during rotation of said reel about said reel axis, as said reel bat pivoting mechanism causes pivoting movement of said bat arm and said bat member of said at least one reel bat about said bat pivot axis, said bat member moves in a bat pivot path that extends between a first position that is radially outward of said defined circular path and a second position that is radially inward of said defined circular path. 3. A header as claimed in claim 2 wherein said header further comprises a frame configured to support said reel in rotation about said reel axis, and wherein said reel bat pivoting mechanism comprises a cam mechanism comprising: a cam mounted in fixed relation to said frame, said cam having a cam track which surrounds said reel axis and defines said non-circular path;wherein said interconnecting mechanism comprises a cam follower mechanism comprising: (I) a cam follower interconnected with a link arm, said cam follower engageable for movement along said cam track around said reel axis; (II) a crank arm connected to said link arm proximate a first end of said link arm, and said crank arm interconnected to said at least one reel bat; such that in operation, rotation of said at least one reel around said reel axis, causes said cam follower to move along said cam track, the path of the cam track being operable to cause said link arm to transmit a force to said crank arm causing said crank arm to pivot about said bat pivot axis. 4. A header as claimed in claim 1 wherein said header further comprises a frame configured to support said reel in rotation about said reel axis, and wherein said reel bat pivoting mechanism comprises a cam mechanism comprising: a cam mounted in fixed relation to said frame, said cam having a cam track which surrounds said reel axis and defines said non-circular path;wherein said interconnecting mechanism comprises a cam follower mechanism comprising: (I) a cam follower interconnected with a link arm, said cam follower engageable for movement along said cam track around said reel axis; (II) a crank arm connected to said link arm proximate a first end of said link arm, and said crank arm interconnected to said at least one reel bat; such that in operation, rotation of said reel around said reel axis, causes said cam follower to move along said cam track, the path of the cam track being operable to cause said link arm to transmit a force to said crank arm causing said crank arm to pivot about said bat pivot axis. 5. A header as claimed in claim 1 further comprising: a frame configured to support said reel in rotation about said reel axis, said frame having two reel ends;a conveyor extending between the reel ends of the frame, the conveyor operable to move cut crop material to a header discharge;a cutter bar assembly mounted to said frame along a forward edge portion of the conveyor, said cutter bar assembly having a cutting system operable to cut crop material engaged by the header. 6. A header as claimed in claim 1 further comprising a rotational power system operable to rotate the reel about said reel axis. 7. A header as claimed in claim 1 further comprising: (a) a frame operable to support said reel in rotation about said reel axis;(b) an end pivot stabilizer, said end pivot stabilizer comprising:a circular end shield attached to the frame and located proximate an end of said reel said end shield having a bat guide path that provides a path that is generally aligned with said defined circular path; andan end follower extending out from a first end of said a least one reel bat and being longitudinally aligned with the pivot axis of the bat for engaging the circular first end shield. 8. A header as claimed in claim 1 wherein said non-circular path is generally oblong shaped. 9. A header as claimed in claim 1 wherein said non-circular path is generally kidney shaped. 10. A header as claimed in claim 1 wherein said non-circular path is generally asymmetrically oval in shape with a forward facing side of said non-circular path extending outward more than a rearward facing side of non-circular path. 11. A header as claimed in claim 1 wherein said non-circular path protrudes outwards from the reel axis on a frontward facing side of the reel more than it protrudes from the reel axis on a rearward facing side of the reel. 12. A header as claimed in claim 1 wherein said header may be configured such that said at least one finger has an outreach orientation that provides for a greatest radial outward extension, and wherein said non-circular path is generally configured to provide said greatest radial outward extension of said at least one finger when said at least one finger is at an angular rotational position about said reel axis that corresponds to a front area of the reel. 13. A header as claimed in claim 12 wherein said header further comprises a cutting apparatus and wherein said non-circular path is generally configured to provide said greatest radial outward extension of said at least one finger when said at least one finger is at an angular rotational position about said reel axis that corresponds to a front area of the reel so as to be operable to rake crop material into said cutting apparatus. 14. A header as claimed in claim 1 wherein said header may be configured such that said at least one finger has an outreach orientation that provides for a smallest radial outward extension and wherein said non-circular path is generally configured to provide said smallest radial outward extension of said at least one finger when said at least one finger is at an angular rotational position about said reel axis that corresponds to a rear area of the reel. 15. A header as claimed in claim 14 wherein said header further comprises a crop conveying apparatus located proximate said rear area of the reel, and wherein said non-circular path is generally configured to provide said smallest radial outward extension of said at least one finger when said at least one finger is at an angular rotational position about said reel axis that corresponds to a rear area of the reel so as to be operable to assist cut crop material to be deposited onto said crop conveying apparatus. 16. A header as claimed in claim 15 wherein said header may be configured such that said at least one finger has an outreach orientation that provides for a greatest radial outward extension, and wherein said non-circular path is generally configured to provide said greatest radial outward extension of said at least one finger when said at least one finger is at an angular rotational position about said reel axis that corresponds to a front area of the reel. 17. A header as claimed in claim 16 wherein said header further comprises a crop cutting apparatus positioned in front of said crop conveying apparatus and wherein said non-circular path is generally configured to provide said greatest radial outward extension of said at least one finger when said at least one finger is at an angular rotational position about said reel axis that corresponds to a front area of the reel so as to be operable to rake crop material into said crop cutting apparatus. 18. A crop harvesting header comprising: a reel operable to be rotated about a reel axis, said reel comprising: (i) a plurality of radial arms extending generally radially outward from a reel shaft that is aligned with said reel axis, and said plurality of radial arms operable for rotation in synchronized movement about said reel axis;(ii) a plurality of reel bats, each reel bat of said plurality of reels bats supported by at least one radial arm of said plurality of radial arms, each reel bat of said plurality of reel bats being operable for rotation with said at least one radial arm about said reel axis, each reel bat of said plurality of reel bats also being operable for pivoting movement about a respective bat pivot axis of a plurality of bat pivot axes, said plurality of bat pivot axes being radially spaced from said reel axis and angularly spaced from each other about said reel axis, and oriented generally parallel to the reel axis;(iii) a reel bat pivoting mechanism operable to cause pivoting movement of each reel bat of said plurality of reel bats about said respective bat pivot axis; each reel bat of said plurality of reel bats having a longitudinally extending bat member oriented in generally parallel relation to said respective bat pivot axis, with at least one crop finger connected to each said bat member, said at least one crop finger extending generally away from said respective bat member; each reel bat of said plurality of reel bats having a bat arm extending generally orthogonal to said respective bat pivot axis and being connected to said respective bat member, each said bat arm operable for pivoting movement with said respective bat member about said respective bat pivot axis; said bat arm of each said reel bat of said plurality of reel bats having a distal end portion that is pivotally connected at a respective bat arm connection location proximate an end portion of said at least one radial arm to allow of pivoting movement of each said bat arm and said bat member of each said reel bat about said respective bat pivot axis relative to said respective radial arm, during rotation of said reel about said reel axis; the movement of each said respective bat arm connection location defining a defined circular path, when in operation said reel rotates with said at least one reel bat about said reel axis; the bat member of each reel bat of said plurality of reel bats being operable to be pivoted at said bat arm connection location about its respective bat pivot axis by pivoting movement of each said bat arm relative to said respective radial arm so that in operation, the angle of the at least one crop finger about the respective bat pivot axis is varied, during rotation of the reel about the reel axis; each said bat arm, said radial arm and said bat member of each reel bat of said plurality of reel bats being configured such that in operation, during rotation of said reel about said reel axis, as said reel bat pivoting mechanism causes pivoting movement of each said bat arm and each respective said bat member of each reel bat about said respective bat pivot axis, each said bat member moves in a respective bat pivot path that extends towards and away from defined circular path; wherein said reel bat pivoting mechanism comprises: a path defining apparatus defining a non-circular path, said path surrounding said reel axis;a plurality of interconnecting mechanisms each interconnecting mechanism comprising: (I) a first portion operable for movement along said non-circular path; and (II) a second portion interconnecting said first portion and said plurality of reel bats; such that in operation, rotation of said reel around said reel axis, causes said first portion of each said interconnecting mechanism to move along said path to cause each said interconnecting mechanism to transmit a force to pivot each bat of said plurality of bats about said respective bat pivot axis. 19. A header as claimed in claim 18 further comprising a rotational power system operable to rotate the reel about said reel axis. 20. A crop harvesting header comprising: a reel operable to be rotated about a reel axis, said reel comprising: (i) a bat support extending generally radially outward relative to a reel shaft that is aligned with said reel axis, and said bat support operable for rotation about said reel axis;(ii) a reel bat supported by said bat support, said reel bat operable for rotation with said bat support about said reel axis, the reel bat also being operable for pivoting movement about a bat pivot axis radially spaced from said reel axis and oriented generally parallel to the reel axis;(iii) a reel bat pivoting mechanism operable to cause pivoting movement of said reel bat about said bat pivot axis; said reel bat having a longitudinally extending bat member oriented in generally parallel relation to said bat pivot axis, with at least one crop finger connected to said bat member, said at least one crop finger extending generally away from said bat member; the reel bat having a bat link extending away from said bat pivot axis and being fixedly connected to said bat member, said bat link operable for pivoting movement with said bat member about said bat pivot axis; said bat link of said reel bat being pivotally inter-connected at a bat link connection location to said bat support to allow for pivoting movement of said bat link and said bat member about said bat pivot axis relative to said bat support, during rotation of said reel about said reel axis; the movement of said bat link connection location defining a defined circular path, when in operation said reel rotates with said reel bat about said reel axis; the bat member being operable to be pivoted at said bat link connection location about its bat pivot axis by pivoting movement of said bat link relative to said bat support so that in operation, the angle of the at least one crop finger about the bat pivot axis is varied, during rotation of the reel about the reel axis; said bat link, said bat support and said bat member being configured such that in operation, during rotation of said reel about said reel axis, as said reel bat pivoting mechanism causes pivoting movement of said bat arm and said bat member of said bat about said bat pivot axis, said bat member moves in a bat pivot path that extends towards and away relative to said defined circular path; wherein said reel bat pivoting mechanism comprises: a path defining apparatus defining a non-circular path, said non-circular path surrounding said reel axis;an interconnecting mechanism comprising: (I) a first portion operable for movement along said non-circular path (II) a second portion fixedly connected to said at least one reel bat; such that in operation, rotation of said reel around said reel axis, causes said first portion of said interconnecting mechanism to move along said path to cause said interconnecting mechanism to pivot said bat about said bat pivot axis. 21. A header as claimed in claim 20 wherein said non-circular path is generally oblong shaped. 22. A header as claimed in claim 20 wherein said non-circular path is generally kidney shaped. 23. A header as claimed in claim 20 wherein said non-circular path is generally an asymmetrical oval in shape with a forward facing side of said non-circular path extending outward more than a rearward facing side of non-circular path. 24. A header as claimed in claim 20 wherein said non-circular path protrudes outwards from the reel axis on a frontward facing side of the reel more than it protrudes from the reel axis on a rearward facing side of the reel. 25. A header as claimed in claim 20 wherein said header may be configured such that said at least one finger has an outreach orientation that provides for a greatest radial outward extension, and wherein said non-circular path is generally configured to provide said greatest radial outward extension of said at least one finger when said at least one finger is at an angular rotational position about said reel axis that corresponds to a front area of the reel. 26. A header as claimed in claim 25 wherein said header further comprises a cutting apparatus and wherein said non-circular path is generally configured to provide said greatest radial outward extension of said at least one finger when said at least one finger is at an angular rotational position about said reel axis that corresponds to a front area of the reel so as to be operable to rake crop material into said cutting apparatus. 27. A header as claimed in claim 26 wherein said header further comprises a crop conveying apparatus located proximate said rear area of the reel, and wherein said non-circular path is generally configured to provide said smallest radial outward extension of said at least one finger when said at least one finger is at an angular rotational position about said reel axis that corresponds to a rear area of the reel so as to be operable to assist cut crop material to be deposited onto said crop conveying apparatus. 28. A header as claimed in claim 27 wherein said crop conveying apparatus is a draper apparatus. 29. A header as claimed in claim 27 wherein said header may be configured such that said at least one finger has an outreach orientation that provides for a greatest radial outward extension, and wherein said non-circular path is generally configured to provide said greatest radial outward extension of said at least one finger when said at least one finger is at an angular rotational position about said reel axis that corresponds to a front area of the reel. 30. A header as claimed in claim 29 wherein said header further comprises a crop cutting apparatus positioned in front of said crop conveying apparatus and wherein said non-circular path is generally configured to provide said greatest radial outward extension of said at least one finger when said at least one finger is at an angular rotational position about said reel axis that corresponds to a front area of the reel so as to be operable to rake crop material into said crop cutting apparatus. 31. A header as claimed in claim 20 wherein said may be configured such that said at least one finger has an outreach orientation that provides for a smallest radial outward extension and wherein said non-circular path is generally configured to provide said smallest radial outward extension of said at least one finger when said at least one finger is at an angular rotational position about said reel axis that corresponds to a rear area of the reel. 32. A header as claimed in claim 20 further comprising a rotational power system operable to rotate the reel about said reel axis. 33. A crop harvesting header comprising: a reel operable to be rotated about a reel axis, said reel comprising: (i) at least one radial arm extending generally radially outward from a reel shaft that is aligned with said reel axis, and said at least one radial arm operable for rotation about said reel axis;(ii) at least one reel bat supported by said at least one radial arm, said at least one reel bat operable for rotation with said radial arm about said reel axis, the at least one reel bat also being operable for pivoting movement about a bat pivot axis radially spaced from said reel axis and oriented generally parallel to the reel axis;(iii) a reel bat pivoting mechanism operable to cause pivoting movement of said at least one reel bat about said bat pivot axis; said at least one reel bat having a longitudinally extending bat member oriented in generally parallel relation to said bat pivot axis, with at least one crop finger connected to said bat member, said at least one crop finger extending generally away from said bat member; the at least one reel bat having a bat arm extending generally orthogonal to said bat pivot axis and being connected to said bat member, said bat arm operable for pivoting movement with said bat member about said bat pivot axis; said bat arm of said at least one reel bat being pivotally connected at a bat arm connection location to said at least one radial arm to allow for pivoting movement of said bat arm and said bat member about said bat pivot axis relative to said radial arm, during rotation of said reel about said reel axis; the movement of said bat arm connection location defining a defined circular path, when in operation said reel rotates with said at least one reel bat about said reel axis; the bat member being operable to be pivoted at said bat arm connection location about its bat pivot axis by pivoting movement of said bat arm relative to said radial arm so that in operation, the angle of the at least one crop finger about the bat pivot axis is varied, during rotation of the reel about the reel axis; said bat arm, said radial arm and said bat member being configured such that in operation, during rotation of said reel about said reel axis, as said reel bat pivoting mechanism causes pivoting movement of said bat arm and said bat member of said at least one reel bat about said bat pivot axis, said bat member moves in a bat pivot path that extends towards and away from said defined circular path; wherein said header further comprises a frame configured to support said reel in rotation about said reel axis, and wherein said reel bat pivoting mechanism comprises a cam mechanism comprising: a cam mounted in fixed relation to said frame, said cam having a cam track which surrounds said reel axis and which defines a non-circular path;a cam follower mechanism comprising: (I) a cam follower interconnected with a link arm, said cam follower engageable for movement along said cam track around said reel axis; (II) a crank arm connected to said link arm, and said crank arm interconnected to said at least one reel bat; such that in operation, rotation of said reel around said reel axis, causes said cam follower to move along said cam track in a non-circular path, the non-circular path of the cam track being operable to cause said link arm to transmit a force to said crank arm causing said crank arm to pivot said bat member about said bat pivot axis. 34. The header of claim 33 wherein the cam is adjustable between a plurality of predetermined working positions. 35. The header of claim 33 wherein said cam follower comprises is a dual first cam follower, operable to engage the cam at two first cam engagement locations such that in operation during rotation of said reel, the link arm of the cam follower always extends generally outwards perpendicular from the tangent of a lobe of the cam defined by the two first cam engagement locations. 36. A header as claimed in claim 33 wherein: said cam comprises a first cam mounted in fixed relation to said frame, said first cam having a first cam path which surrounds said reel axis;said cam follower mechanism comprises: (I) a first cam follower interconnected with a first link arm, said first cam follower engageable for movement along said first cam path around said reel axis; (II) a first crank arm connected to said first link arm proximate a first end of said first link arm, and said first crank arm interconnected to said at least one reel bat; and wherein said cam mechanism further comprises: a second cam mounted in fixed relation to said frame, said second cam having a second cam path which surrounds said reel axis;a second cam follower mechanism comprising: (I) a second cam follower interconnected with a second link arm, said second cam follower engageable for movement along said second cam path around said reel axis; (II) a second crank arm connected to said second link arm proximate a first end of said second link arm, and said second crank arm also interconnected to said at least one reel bat; such that in operation, rotation of said reel around said reel axis, causes (i) said first cam follower to move along said first cam track, the path of the first cam track being operable to cause said first link arm to transmit a force to said first crank arm and (ii) causes said second cam follower to move along said second cam path, the second cam path being operable to cause said second link arm to transmit a force to said crank arm, thereby causing said first and second crank arms to pivot about said bat pivot axis to thereby rotate said bat member about said bat pivot axis. 37. The header of claim 36 wherein the second cam is adjustable between a plurality of predetermined working positions. 38. The crop harvesting header of claim 36 wherein said first cam follower is a dual first cam follower, operable to engage the first cam at two first cam engagement locations such that in operation during rotation of said reel, the link arm of the first cam follower always extends generally outwards perpendicular from the tangent of a first lobe of the first cam defined by the two first cam engagement locations and wherein second cam follower is a dual cam follower, operable to engage the second cam at two second cam engagement locations such that in operation during rotation of said reel, the second link arm of the second cam follower always extends outwards perpendicular from the tangent of a second lobe of the second cam defined by the two second cam engagement locations. 39. The crop harvesting header of claim 36 wherein the first cam and the second cam define mirrored first cam paths for matched rotation of the first and second ends of the reel bats as the reel shaft is rotated. 40. A header as claimed in claim 36 further comprising: (a) first end pivot stabilizer comprising:a first circular end shield attached to the frame and located proximate a first end of said reel said shield having a bat guide that provides a first bat guide path that is generally aligned with said defined circular path; anda first end follower extending out from a first end of said a least one reel bat and being longitudinally aligned with the pivot axis of the bat for engaging the first circular end shield(b) a second end pivot stabilizer, said second end pivot stabilizer comprising:a second circular end shield attached to the frame and located proximate an opposite end of said reel said second end shield having a second bat guide that provides a second bat guide path that is generally aligned with said defined circular path; anda second end follower extending out from a second, opposite end of said a least one reel bat and being longitudinally aligned with the pivot axis of the bat for engaging the second circular end shield. 41. A crop harvesting header comprising: a reel operable to be rotated about a reel axis, said reel comprising: (i) at least one radial arm extending generally radially outward from a reel shaft that is aligned with said reel axis, and said at least one radial arm operable for rotation about said reel axis;(ii) at least one reel bat supported by said at least one radial arm, said at least one reel bat operable for rotation with said radial arm about said reel axis, the at least one reel bat also being operable for pivoting movement about a bat pivot axis radially spaced from said reel axis and oriented generally parallel to the reel axis;(iii) a reel bat pivoting mechanism operable to cause pivoting movement of said at least one reel bat about said bat pivot axis; said at least one reel bat having a longitudinally extending bat member oriented in generally parallel relation to said bat pivot axis, with at least one crop finger connected to said bat member, said at least one crop finger extending generally away from said bat member; the at least one reel bat having a bat arm extending generally orthogonal to said bat pivot axis and being connected to said bat member, said bat arm operable for pivoting movement with said bat member about said bat pivot axis; said bat arm of said at least one reel bat being pivotally connected at a bat arm connection location to said at least one radial arm to allow for pivoting movement of said bat arm and said bat member about said bat pivot axis relative to said radial arm, during rotation of said reel about said reel axis; the movement of said bat arm connection location defining a defined circular path, when in operation said reel rotates with said at least one reel bat about said reel axis; the bat member being operable to be pivoted at said bat arm connection location about its bat pivot axis by pivoting movement of said bat arm relative to said radial arm so that in operation, the angle of the at least one crop finger about the bat pivot axis is varied, during rotation of the reel about the reel axis; said bat arm, said radial arm and said bat member being configured such that in operation, during rotation of said reel about said reel axis, as said reel bat pivoting mechanism causes pivoting movement of said bat arm and said bat member of said at least one reel bat about said bat pivot axis, said bat member moves in a bat pivot path that extends towards and away from said defined circular path; wherein said header further comprises a frame configured to support said reel in rotation about said reel axis, and wherein said reel bat pivoting mechanism comprises a cam mechanism comprising: a cam mounted in fixed relation to said frame, said cam having a cam track which surrounds said reel axis;a cam follower mechanism comprising: (I) a cam follower interconnected with a link arm, said cam follower engageable for movement along said cam track around said reel axis; (II) a crank arm connected to said link arm, and said crank arm interconnected to said at least one reel bat; such that in operation, rotation of said reel around said reel axis, causes said cam follower to move along said cam track, the path of the cam track being operable to cause said crank arm mechanism to pivot said bat member of said at least one reel bat about said bat pivot axis; wherein said cam follower comprises a dual cam follower, operable to engage the cam at two first cam engagement locations such that in operation during rotation of said reel, the link arm of the cam follower always extends generally outwards perpendicular from the tangent of a lobe of the cam defined by the two first cam engagement locations. 42. A crop harvesting header comprising: a reel operable to be rotated about a reel axis, said reel comprising: (i) at least one radial arm extending generally radially outward from a reel shaft that is aligned with said reel axis, and said at least one radial arm operable for rotation about said reel axis;(ii) at least one reel bat supported by said at least one radial arm, said at least one reel bat operable for rotation with said radial arm about said reel axis, the at least one reel bat also being operable for pivoting movement about a bat pivot axis radially spaced from said reel axis and oriented generally parallel to the reel axis;(iii) a reel bat pivoting mechanism operable to cause pivoting movement of said at least one reel bat about said bat pivot axis;said at least one reel bat having a longitudinally extending bat member oriented in generally parallel relation to said bat pivot axis, with at least one crop finger connected to said bat member, said at least one crop finger extending generally away from said bat member;the at least one reel bat having a bat arm extending generally orthogonal to said bat pivot axis and being connected to said bat member, said bat arm operable for pivoting movement with said bat member about said bat pivot axis;said bat arm of said at least one reel bat being pivotally connected at a bat arm connection location to said at least one radial arm to allow for pivoting movement of said bat arm and said bat member about said bat pivot axis relative to said radial arm, during rotation of said reel about said reel axis;the movement of said bat arm connection location defining a defined circular path, when in operation said reel rotates with said at least one reel bat about said reel axis;the bat member being operable to be pivoted at said bat arm connection location about its bat pivot axis by pivoting movement of said bat arm relative to said radial arm so that in operation, the angle of the at least one crop finger about the bat pivot axis is varied, during rotation of the reel about the reel axis;said bat arm, said radial arm and said bat member being configured such that in operation, during rotation of said reel about said reel axis, as said reel bat pivoting mechanism causes pivoting movement of said bat arm and said bat member of said at least one reel bat about said bat pivot axis, said bat member moves in a bat pivot path that extends towards and away from said defined circular path;wherein said header further comprises a frame configured to support said reel in rotation about said reel axis, and wherein said reel bat pivoting mechanism comprises a cam mechanism comprising: a cam mounted in fixed relation to said frame, said cam having a cam track which surrounds said reel axis;a cam follower mechanism comprising: (I) a cam follower engageable for movement along said cam track on a path around said reel axis; (II) a crank arm mechanism interconnected to said at least one reel bat;such that in operation, rotation of said reel around said reel axis, causes said cam follower to move along said cam track, the path of the cam track being operable to cause said crank arm mechanism to pivot said bat member of said at least one reel bat about said bat pivot axis;and wherein said cam comprises a first cam mounted in fixed relation to said frame, said first cam having a first cam path which surrounds said reel axis;and wherein said cam follower mechanism comprises (I) a first cam follower interconnected with a first link arm, said first cam follower engageable for movement along said first cam path around said reel axis; (II) a first crank arm connected to said first link arm proximate a first end of said first link arm, and said first crank arm interconnected to said at least one reel bat;and wherein said cam mechanism further comprises: a second cam mounted in fixed relation to said frame, said second cam having a second cam path which surrounds said reel axis;a second cam follower mechanism comprising: (I) a second cam follower interconnected with a second link arm, said second cam follower engageable for movement along said second cam path around said reel axis; (II) a second crank arm connected to said second link arm proximate a first end of said second link arm, and said second crank arm also interconnected to said at least one reel bat;such that in operation, rotation of said reel around said reel axis, causes (i) said first cam follower to move along said first cam track, the path of the first cam track being operable to cause said first link arm to transmit a force to said first crank arm and (ii) causes said second cam follower to move along said second cam path, the second cam path being operable to cause said second link arm to transmit a force to said crank arm, thereby causing said first and second crank arms to pivot about said bat pivot axis to thereby rotate said bat member about said bat pivot axis;said header further comprising:(a) a first end pivot stabilizer comprising: a first circular end shield attached to the frame and located proximate a first end of said reel said shield having a bat guide that provides a first bat guide path that is generally aligned with said defined circular path; anda first end follower extending out from a first end of said a least one reel bat and being longitudinally aligned with the pivot axis of the bat for engaging the first circular end shield(b) a second end pivot stabilizer, said second end pivot stabilizer comprising: a second circular end shield attached to the frame and located proximate an opposite end of said reel said second end shield having a second bat guide that provides a second bat guide path that is generally aligned with said defined circular path; anda second end follower extending out from a second, opposite end of said a least one reel bat and being longitudinally aligned with the pivot axis of the bat for engaging the second circular end shield.
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