Exercise assemblies having linear motion synchronizing mechanism
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A63B-021/00
A63B-022/00
A63B-022/06
출원번호
US-0047448
(2013-10-07)
등록번호
US-9138614
(2015-09-22)
발명자
/ 주소
Lu, Zhi
Kreuger, William James
DeKnock, Byron T.
Clayton, Gary Scott
출원인 / 주소
Brunswick Corporation
대리인 / 주소
Andrus Intellectual Property Law, LLP
인용정보
피인용 횟수 :
10인용 특허 :
120
초록▼
An exercise assembly comprises elongated first and second rocker arms that pivot with respect to each other in a scissors-like motion about a first pivot axis. A slider has a slider body that slides along a linear axis extending through and perpendicular to the first pivot axis. A linkage pivotally
An exercise assembly comprises elongated first and second rocker arms that pivot with respect to each other in a scissors-like motion about a first pivot axis. A slider has a slider body that slides along a linear axis extending through and perpendicular to the first pivot axis. A linkage pivotally couples the first and second rocker arms to the slider body. Pivoting the first and second rocker arms with respect to each other causes the slider body to slide in a first direction along the linear axis. Opposite pivoting of the first and second rocker arms with respect to each other causes the slider body to slide in an opposite, second direction along the linear axis.
대표청구항▼
1. An exercise assembly comprising: elongated first and second rocker arms that pivot with respect to each other in a scissors-like motion about a first pivot axis based upon an operator exercise motion;a slider having a slider body that slides along a linear axis extending through and perpendicular
1. An exercise assembly comprising: elongated first and second rocker arms that pivot with respect to each other in a scissors-like motion about a first pivot axis based upon an operator exercise motion;a slider having a slider body that slides along a linear axis extending through and perpendicular to the first pivot axis; anda linkage that pivotally couples the first and second rocker arms to the slider body;wherein pivoting the first and second rocker arms with respect to each other causes the slider body to slide in a first direction along the linear axis and wherein opposite pivoting of the first and second rocker arms with respect to each other causes the slider body to slide in an opposite, second direction along the linear axis. 2. The assembly according to claim 1, wherein the slider and the linkage together restrict pivoting motion of the first and second rocker arms to opposite directions and at an equal angular velocity with respect to each other. 3. The assembly according to claim 1, wherein the linkage comprises a first linkage portion for the first rocker arm and a second linkage portion for the second rocker arm, the first and second linkage portions being pivotally connected to the slider at a second pivot axis. 4. The assembly according to claim 3, wherein the second pivot axis extends parallel to the first pivot axis. 5. The assembly according to claim 3, wherein each of the first and second linkage portions comprises a linear extension arm having first and second ends and a radial crank arm having first and second ends, wherein the first end of the extension arm is pivotally coupled to the slider at the second pivot axis, wherein the second end of the extension arm is pivotally coupled to the first end of the crank arm, and wherein the second end of the crank arm is fixed to and rotates with one of the first and second rocker arms. 6. The assembly according to claim 5, wherein the slider comprises a pivot shaft that extends along the second pivot axis between the first ends of the extension arms. 7. The assembly according to claim 6, wherein the first end of the crank arm of the first linkage is located on a first side of the pivot shaft and wherein the first end of the crank arm of the second linkage is located on a second, opposite side of the pivot shaft. 8. The assembly according to claim 5, wherein the crank arms of the first and second linkages extend at equal but opposite radial angles from first pivot axis. 9. The assembly according to claim 8, comprising a mechanical stop preventing over-rotation of the first and second rocker arms. 10. The assembly according to claim 9, wherein the mechanical stop comprises first and second stop arms fixed to and rotating with the first and second rocker arms, respectively, the first and second stop arms extending at equal radial angles from first pivot axis. 11. The assembly according to claim 10, comprising first and second fixed spring members engaging with the first and second stop arms, respectively, preventing over-rotation of the first and second rocker arms, respectively. 12. The assembly according to claim 1, wherein the slider comprises a stationary base; wherein the slider body comprises at least one linear bearing that linearly slides along the at least one linear track on the stationary base. 13. The assembly according to claim 12, wherein the at least one linear bearing comprises at least two pairs of spaced apart linear bearings, wherein the at least one linear track comprises at least a pair of linear tracks that are spaced apart and parallel, and wherein the pairs of spaced apart linear bearings slide on the pair of linear tracks. 14. An exercise assembly comprising: a frame;a pair of elongated foot pedal members, each foot pedal member having a front portion and a rear portion:a pair of foot pads, each foot pad being disposed on the rear portion of one of the pair of foot pedal members;a pair of elongated coupler arms, each coupler arm having a lower portion and having an upper portion that is pivotally connected to the frame;a pair of crank members, each crank member having a first portion that is pivotally connected to the front portion of one of the pair of foot pedal members and haying a second portion that is pivotally connected to the lower portion of one of the pair of coupler arms, such that each crank member is rotatable in a circular path; anda pair of elongated rocker arms, each rocket arm having a lower portion that is pivotally connected to one of the pair of foot pedal members in between the foot pad and the crank member and having an upper portion that is pivotally connected to the frame;wherein the pair of foot pedal members are each movable along user-defined paths of differing dimensions;wherein the pair of rocker arms oppositely pivot with respect to each other and the frame in a scissors-like motion about a first pivot axis;a slider having a slider body that slides along a linear axis extending through and perpendicular to the first pivot axis; anda linkage that pivotally couples the first and second rocker arms to the slider body;wherein pivoting the pair of rocker arms with respect to each other causes the slider body to slide in a first direction along the linear axis and wherein opposite pivoting of the pair of rocker arms with respect to each other causes the slider body to slide in an opposite, second direction along the linear axis. 15. The assembly according to claim 14, further comprising a pair of handles, each handle disposed on one of the pair of rocker arms. 16. The assembly according to claim 15, wherein the lower portions of the pair of rocker arms are pivotally attached to the pair of foot pedal members. 17. The exercise assembly according to claim 15, wherein the slider and the linkage together restrict pivoting motion of the first and second rocker arms to opposite directions and at an equal angular velocity with respect to each other. 18. The exercise assembly according to claim 15, wherein the linkage comprises a first linkage portion for the first rocker arm and a second linkage portion for the second rocker arm, the first and second linkage portions being pivotally connected to the slider at a second pivot axis. 19. The exercise assembly according to claim 18, wherein the second pivot axis extends parallel to the first pivot axis. 20. The exercise assembly according to claim 18, wherein each of the first and second linkage portions comprises a linear extension arm having first and second ends and a radial crank arm having first and second ends, wherein the first end of the extension arm is pivotally coupled to the slider at the second pivot axis, wherein the second end of the extension arm is pivotally coupled to the first end of the crank arm, and wherein the second end of the crank arm is fixed to and rotates with one of the first and second rocker arms. 21. The exercise assembly according to claim 20, wherein the slider comprises a pivot shaft that extends along the second pivot axis between the first ends of the extension arms. 22. The exercise assembly according to claim 21, wherein the first end of the crank arm of the first linkage is located on a first side of the pivot shaft and wherein the first end of the crank arm of the second linkage is located on a second, opposite side of the pivot shaft. 23. The exercise assembly according to claim 20, wherein the crank arms of the first and second linkages extend at equal but opposite radial angles from first pivot axis. 24. The exercise assembly according to claim 23, comprising a mechanical stop preventing over-rotation of the first and second rocker arms. 25. The exercise assembly according to claim 24, wherein the mechanical stop comprises first and second stop arms fixed to and rotating with the first and second rocker arms, respectively, the first and second stop arms extending at opposite radial angles from first pivot axis. 26. The exercise assembly according to claim 25, comprising first and second fixed spring members preventing over-rotation of the first and second rocker arms, respectively. 27. The exercise assembly according to claim 15, wherein the slider comprises a stationary base; wherein the slider body comprises at least one linear bearing that linearly slides along the at least one linear track on the stationary base. 28. The exercise assembly according to claim 27, wherein the at least one linear bearing comprises at least two pairs of spaced apart linear bearings, wherein the at least one linear track comprises at least a pair of linear tracks that are spaced apart and parallel, and wherein the pairs of spaced apart linear bearings slide on the pair of linear tracks. 29. An exercise assembly comprising: elongated first and second rocker arms that pivot with respect to each other in a scissors-like motion about a first pivot axis;a slider having a slider body that slides along a linear axis extending through and perpendicular to the first pivot axis; anda linkage that pivotally couples the first and second rocker arms to the slider body;wherein the slider and the linkage together restrict pivoting motion of the first and second rocker arms to opposite directions and at an equal angular velocity with respect to each other;wherein the linkage comprises a first linkage portion for the first rocker arm and a second linkage portion for the second rocker arm, the first and second linkage portions being pivotally connected to the slider at a second pivot axis;wherein the second pivot axis extends parallel to the first pivot axis;wherein each of the first and second linkage portions comprises a linear extension arm having first and second ends and a radial crank arm having first and second ends, wherein the first end of the extension arm is pivotally coupled to the slider at the second pivot axis, wherein the second end of the extension arm is pivotally coupled to the first end of the crank arm, and wherein the second end of the crank arm is fixed to and rotates with one of the first and second rocker arms;wherein pivoting the first and second rocker arms with respect to each other causes the slider body to slide in a first direction along the linear axis and wherein opposite pivoting, of the first and second rocker arms with respect to each other causes the slider body to slide in an opposite, second direction along the linear axis. 30. The exercise assembly according to claim 29, wherein the crank arms of the first and second linkages extend at equal but opposite vertical angles from first pivot axis.
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