IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0420432
(2003-04-22)
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발명자
/ 주소 |
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출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
13 인용 특허 :
18 |
초록
▼
A pry bar has generally octagonal cross-section handle with a grip portion having four rounded surfaces formed of a soft elastomeric material and four alternating surfaces formed of hard thermoplastic material. The elastomeric material rounded surfaces are formed with pluralities of small orifices.
A pry bar has generally octagonal cross-section handle with a grip portion having four rounded surfaces formed of a soft elastomeric material and four alternating surfaces formed of hard thermoplastic material. The elastomeric material rounded surfaces are formed with pluralities of small orifices. The handle is formed with an inner hard thermoplastic core and molded over outer elastomeric cover. A metal impact cap is fixed secured in the handle proximate end.
대표청구항
▼
1. A pry bar comprising:a handle having a distal end, a proximate end and a grip portion;said grip portion having a generally octagonal cross-section;said handle further comprising:an inner thermoplastic core and an outer integrally bonded elastomeric material;a longitudinally extending bore through
1. A pry bar comprising:a handle having a distal end, a proximate end and a grip portion;said grip portion having a generally octagonal cross-section;said handle further comprising:an inner thermoplastic core and an outer integrally bonded elastomeric material;a longitudinally extending bore through said thermoplastic core;a pry bar blade, said blade having a proximate end and a distal end;said blade proximate end being disposed within said handle in said bore;said blade being elongate and having a longitudinal axis;said blade distal end being formed with a pry end;said pry end being in angular disposition with respect to said blade longitudinal axis;a metal impact cap fixedly disposed in said handle at said handle proximate end; andthe blade proximate end is adjacent to and facingly disposed to the metal impact cap. 2. The pry bar of claim 1, said grip portion having an outer surface comprising eight grip surfaces. 3. The pry bar of claim 2, four of said grip surfaces comprising said thermoplastic material. 4. The pry bar of claim 3, four of said grip surfaces comprising said elastomeric material. 5. The pry bar of claim 4, said thermoplastic material grip surfaces alternating with said elastomeric material grip surfaces. 6. The pry bar of claim 3, said elastomeric material grip surfaces being formed with a plurality of orifices. 7. The pry bar of claim 4, said thermoplastic material grip surfaces being planar. 8. The pry bar of claim 1, said handle further comprising a distally disposed portion comprising elastomeric material grip surfaces being formed with a plurality of orifices. 9. The pry bar of claim 8, said handle distally disposed portion elastomeric material grip surfaces being rounded. 10. The pry bar of claim 1, wherein the thermoplastic material is harder than the elastomeric material. 11. The pry bar of claim 1, wherein the handle comprises a cylindrical cross-sectional recessed portion. 12. The pry bar of claim 11, wherein the handle recessed portion has an outer surface substantially covered by the elastomeric material. 13. The pry bar of claim 2, wherein each of the eight grip surfaces is one of a planar and a contoured surface. 14. The pry bar of claim 3, wherein each thermoplastic material grip surface extends from the handle proximate end substantially to the handle distal end. 15. The pry bar of claim 4, wherein each elastomeric material grip surface extends from the handle distal end substantially to the handle proximate end. 16. The pry bar of claim 4, wherein at least one grip surface comprises the elastomeric material, said at least one grip surface further comprising a discontinuous surface of elastomeric material. 17. The pry bar of claim 16, wherein the discontinuous surface extends from the distal end to substantially to the proximate end. 18. The pry bar of claim 16, wherein the discontinuous surface is elongated. 19. A pry bar comprising:a handle having a distal end, a proximate end, and a medial grip portion cross-sectional shape with at least four sides;said handle comprising:an thermoplastic material inner core and an outer integrally bonded elastomeric material;said inner core defining a longitudinally extending through bore;an elongate blade having a proximate end, a distal end, and a longitudinal axis, said blade proximate end being disposed within said handle bore, said blade distal end being formed with a pry end, and said pry end being in angular disposition with respect to said blade longitudinal axis;a metal impact cap disposed at the handle proximate end; andthe blade proximate end is adjacent to and facingly disposed to the metal impact cap. 20. The pry bar of claim 19, wherein the handle distal end has a generally octagonal cross-section. 21. The pry bar of claim 19, wherein the handle comprises a cylindrical cross-sectional recessed portion. 22. The pry bar of claim 21, wherein the handle recessed portion has an outer surface entirely covered by the elastomeric material. 23. The p ry bar of claim 19, where: the handle having an outer surface comprising a plurality of grip surfaces, wherein each of the grip surfaces is one of a planar and a or contoured surface. 24. The pry bar of claim 19, the thermoplastic material inner core comprising an outer grip surface extending from the handle proximate end substantially to the handle distal end. 25. The pry bar of claim 19, the elastomeric material comprising an outer grip surface extending from the handle distal end substantially to the handle proximate end. 26. The pry bar of claim 19, a thermoplastic material inner core outer grip surface extends from the handle proximate end substantially to the handle distal end, and a elastomeric material outer surface extends from the handle distal end substantially to the handle proximate end. 27. The pry bar of claim 19, the thermoplastic material inner core comprises a first outer grip surface, and the elastomeric material comprises a second outer grip surface, the elastomeric second outer grip surface being discontinuous. 28. The pry bar of claim 27, wherein the discontinuous surface is elongated. 29. The pry bar of claim 19, the handle distal end comprising an end portion having a plurality of sides. 30. The pry bar of claim 29, the end portion sides comprising oppositely disposed planar sides. 31. The pry bar of claim 30, the planar sides comprising the thermoplastic material. 32. The pry bar of claim 29, the end portion sides comprising oppositely disposed arcuate sides. 33. The pry bar of claim 19, wherein the thermoplastic material inner core is harder than the elastomeric material. 34. A pry bar comprising:a handle having a distal end, a proximate end, and a cross-sectional shape having at least four sides;said handle comprising:an inner thermoplastic core defining a longitudinally extending through bore, an outer integrally bonded elastomeric material, and a metal impact cap fixably disposed at the handle proximate end; andan elongate blade having a proximate end, a distal end, and a longitudinal axis, said blade proximate end being disposed within said handle, said blade distal end being formed with a pry end, and said pry end being in angular disposition with respect to said blade longitudinal axis;the handle distal end adjacent to and facingly disposed to the metal impact cap. 35. The pry bar of claim 34, the handle proximate end and metal impact cap each having respective cross-dimensions, the metal impact cap cross-dimension being less than handle proximate end cross-dimension. 36. The pry bar of claim 34, wherein the metal impact cap comprises a disk shape. 37. The pry bar of claim 34, the metal impact cap comprising an impact surface and an arcuate edge, whereby the impact surface is disposed adjacent to the handle proximate end. 38. The pry bar of claim 34, wherein the metal impact cap comprising an arcuate impact surface having a width and an arcuate side edge having a height, the width of the arcuate impact surface being greater than the height of the arcuate side edge, whereby the impact surface is disposed adjacent to the handle proximate end. 39. The pry bar of claim 34, wherein the blade proximate end is adjacent to and facingly disposed the metal impact cap. 40. A pry bar comprising:a handle having a distal end, a proximate end;said handle further comprising:at least a thermoplastic material defining a longitudinally extending through bore;first opposed grip surfaces comprising a thermoplastic material, and second opposed grip surfaces comprising an elastomeric material, wherein the second grip surfaces are convex; andan elongate blade having a proximate end, a distal end, and a longitudinal axis, said blade proximate and being disposed within said handle through bore, said blade distal end being formed with a pry end, and said pry end being in angular disposition with respect to said blade longitudinal axisa metal impact cap fixedly disposed to said handle at said handle proximate end, whereby said metal impact cap enables non-destructive application of a hard striking force to said pry bar; andthe blade proximate end is adjacent to and facingly disposed to the metal impact cap, whereby said metal impact cap and said handle enable an easy transfer of said hard striking force to said elongate blade. 41. The pry bar of claim 40, further comprising third opposed grip surfaces comprising the thermoplastic material, and fourth opposed grip surfaces comprising the elastomeric material, wherein the fourth grip surfaces are convex. 42. The pry bar of claim 41, wherein the handle has a medial grip portion comprising a generally octagonal cross-section. 43. The pry bar of claim 40, wherein the first opposed grip surfaces are planar and alternate with the second opposed grip surfaces, whereby the handle comprises alternating surfaces comprising the thermoplastic material and the elastomeric material. 44. The pry bar of claim 40, the handle distal end comprises an end portion having a plurality of sides; andsaid plurality of sides further comprising at least one set of oppositely disposed planar sides and one set of oppositely disposed arcuate sides; andsaid planar sides comprising the thermoplastic material. 45. A pry bar comprising:a handle having a distal end, a proximate end, and at least four elongated grip surfaces;said handle further defining a longitudinally extending through boretwo of the elongated grip surfaces further comprising a thermoplastic material, and two of the grip surfaces comprising an elastomeric material;an elongate blade having a proximate end, a distal end, and a longitudinal axis;said blade proximate and being disposed within said handle through bore, said blade distal end being formed with a pry end;said pry end being in angular disposition with respect to said blade longitudinal axis;a metal impact cap fixedly disposed at said handle proximate end, thereby enabling non-destructive application of a hard striking force to said pry bar; andsaid blade proximate end is adjacent to and facingly disposed to said metal impact cap, whereby said metal impact cap and said handle enable easy transfer of said hard striking force to said elongate blade. 46. The pry bar of claim 45, wherein the thermoplastic material is harder than the elastomeric material. 47. The pry bar of claim 45, the two thermoplastic material grip surfaces being in oppositely disposed disposition. 48. The pry bar of claim 45, the two elastomeric material grip surfaces being in oppositely disposed disposition. 49. The pry bar of claim 45, the two thermoplastic material grip surfaces being in oppositely disposed disposition, and the two elastomeric material grip surfaces being in oppositely disposed disposition. 50. The pry bar of claim 45, wherein the grip surfaces alternate between the thermoplastic material grip surfaces and the elastomeric material grip surfaces. 51. The pry bar of claim 45, the handle distal end comprising an end portion having a plurality of sides. 52. The pry bar of claim 51, the handle distal end portion sides comprising oppositely disposed planar sides. 53. The pry bar of claim 52, the planar sides comprising the thermoplastic material. 54. The pry bar of claim 51, the handle distal end portion sides comprising oppositely disposed arcuate sides. 55. A pry bar comprising:a handle having a distal end, a proximate end, and at least four elongated grip surfaces;said handle defining a longitudinally extending through bore;a first set of two of the elongated grip surfaces comprising a first specific grip surface configuration;a second set of and two of the elongated grip surfaces comprising a second specific grip surface configuration;an elongate blade;said elongate blade further comprising:a proximate end, a distal end, and a longitudinal axis;said blade proximate end being disposed within said handle through bore;said blade distal end being formed with a pry end;said pry end being in angular disposition with respect to said blade longitudinal axis;a metal impact cap fixedly disposed at the handle distal end;said handle being formed with a longitudinally extending bore;said blade proximate end and said metal impact cap being facingly disposed in said bore, whereby a hard striking force to said metal impact cap is transferred to said pry end without damage to said pry bar. 56. The pry bar of claim 55, wherein the first specific grip surface configuration comprises a hard thermoplastic material. 57. The pry bar of claim 56, the two thermoplastic material grip surfaces being in oppositely disposed disposition. 58. The pry bar of claim 55, wherein the second specific grip surface configuration comprises a soft elastomeric material. 59. The pry bar of claim 58, the two elastomeric material grip surfaces being in oppositely disposed disposition. 60. The pry bar of claim 55, wherein the grip surfaces alternate between the first specific grip surface configuration and the second specific grip surface configuration. 61. A pry bar comprising:a handle having a distal end, a proximate end, and a medial grip portion;said handle comprising:an inner thermoplastic core, a common internal bore extending through the thermoplastic material inner core and open at both the handle distal and proximate ends, an outer integrally bonded elastomeric material, and a metal impact cap fixedly disposed in the bore from the handle proximate end;said metal impact cap comprising a disk shape effective to receive withstand and transmit a hard impact force to said handle without damaging said handle;the metal impact cap comprising an impact surface for receiving said hard impact force and an arcuate edge, wherein the impact surface is adjacent to the handle proximate end;an elongate blade having a proximate end, a distal end, and a longitudinal axis, said blade proximate end being disposed in the bore from the handle distal end, said blade distal end being formed with a pry end; andsaid pry end being in angular disposition with respect to said blade longitudinal axis, wherein said blade proximate end is adjacent to the metal impact cap in the common bore. 62. The pry bar of claim 61, the handle proximate end and metal impact cap each having respective cross-dimensions, the metal impact cap cross-dimension being less than handle proximate end cross-dimension. 63. The pry bar of claim 61, wherein the metal impact cap comprises an arcuate impact surface having a width and an arcuate side edge having a height, the width of the arcuate impact surface being greater than the height of the arcuate side edge, whereby the impact surface is adjacent to the handle proximate end. 64. The pry bar of claim 61, wherein:the medial grip portion comprising a plurality of elongated grip surfaces, the elongated grip surfaces being alternating arcuate and planar surfaces, the arcuate grip surfaces comprising the elastomeric material and the planar surfaces comprising the thermoplastic material, the arcuate grip surfaces comprising discontinuous elastomeric material surfaces. 65. A pry bar comprising:a handle having a distal end and a proximate end;said handle comprising an inner thermoplastic core defining a longitudinal through bore, an outer elastomeric material integrally bonded to the inner thermoplastic core, and a metal impact cap disposed on the handle proximate end;an elongate blade having a proximate end, a distal end, and a longitudinal axis;said blade proximate end being disposed in the handle distal end, said blade distal end being formed with a pry end, and said pry end being in angular disposition with respect to said blade longitudinal axis,wherein the inner thermoplastic core extends from the blade proximate end to the metal impact cap;said inner thermoplastic core is formed defining a space between the blade proximate end and said metal impact cap along said through bore; andsaid space is substantially free of said thermoplastic material, whereby a manufacturing ease of said pry ba r is improved. 66. The pry bar according to claim 65, the handle proximate end further comprising a planar surface, and the impact cap comprising a distal planar surface facingly disposed to the handle proximate planar surface. 67. The pry bar according to claim 65, the handle comprising a medial grip surface that comprises an uninterrupted thermoplastic surface extending from the handle proximate end to the handle distal end.
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