Patent EA-004366-B1 (EA)
Title: Hand tool for disconnection of couplings
IPC: B25B27/10
Filed: 2000-05-26
Abstract: 1. A tool for the removal of quick release couplings from a conduit, said tool having a body portion, said body portion having a gripping portion, said gripping portion having a first end and a second end, and a release portion, said release portion having a first end and a second end, said gripping portion and said release portion being rotatably connected, a pair of handles, a first of said handles connected to said gripping portion second end and a second of said handles connected to said release portion second end, a spring, said spring being affixed to said handles and maintaining said pair of handles at a maximum separation distance, said maximum separation distance maintaining said gripping portion first end and said release portion first end adjacent one another, a gripping element, said gripping element being affixed to said gripping portion and having a receiving member and a clamping member, said receiving member and said clamping member forming a conduit retaining area, at least one of said members being connected to a linkage between at least one of said members and said first handle, a release element, said release element having a first plate and a second plate, wherein compressing said handles causes said gripping element to compress and said gripping portion and said release portion to rotate around said connection, thereby creating distance between said gripping element and said release element. 2. The tool of claim 1 wherein said second handle is non-movably secured to said body. 3. The tool of claim 1 wherein said receiving member is stationary. 4. The tool of claim 1 wherein said first plate is stationary. 5. The tool of claim 4 wherein said second plate is stationary. 6. The tool of claim 4 wherein said release element second plate is rotatably affixed to said release portion first end. 7. The tool of claim 6 further comprising a spring, said spring maintaining said release element second plate adjacent to said first plate. 8. The tool of claim 7 wherein said spring is a leaf spring between said second plate and said release portion. 9. The tool of claim 7 wherein said spring is recessed within said second plate and at least a portion of said release portion. 10. The tool of claim I wherein said clamping member has at least one arc. 11. The tool of claim 10 wherein said receiving member is a mirror image of said clamping member. 12. The tool of claim 1 further comprising a guide, said guide being affixed to said gripping portion and being adjacent said clamping member to prevent said clamping member from side to side movement. 13. The tool of claim 1 wherein said clamping member and said release element open at said first end of said release portion and said gripping portion to receive said conduit. 14. The tool of claim 13 wherein said second plate is rotatably affixed to said release portion and said first plate is stationary to said release portion, said second plate being maintained adjacent to said second plate by a spring. 15. The tool of claim 13 wherein said clamping member is connected to said linkage and rotates from an open position distanced from said receiving member when said handles are at a maximum distance to adjacent to said receiving member when said handles are compressed. 16. The tool of claim I wherein said clamping member and said release element open at a right angle to said first end of said body portion. 17. The tool of claim 16 wherein said second plate is rotatably affixed to said release portion and said first plate is stationary to said release portion, said second plate being maintained adjacent to said second plate by a spring. 18. The tool of claim 16 wherein said clamping member is connected to said linkage and moves from an open position distanced from said receiving member when said handles are at a maximum distance to adjacent to said receiving member when said handles are compressed. 19. The tool of claim 16 further comprising a guide, said guide being stationary to said gripping portion and adjacent to said clamping member, thereby preventing said clamping member from moving side to side. 20. The tool of claim 1 wherein at least one of said first plate and said second plate are connected to said linkage and are compressed together when said handles are compressed. 21. The tool of claim 1 wherein said receiving member and said clamping member have non-slip means to prevent said conduit from sliding within said conduit retaining area. 22. A tool for the removal of quick release couplings from a conduit, said tool comprising: a conduit gripping member, said gripping member having a first end and a second end, said first end and said second end being movable relative to each other from a first position to a second position, said gripping member first end and second end being biased toward said second position and being closer together in said first position than in said second position, a coupling release member, said coupling release member having a quick release coupling receiving region, said coupling release member being biased toward a third position and being movable from said third position to a fourth position, said coupling release member being closer to said conduit gripping member when in said third position than when in said fourth position, an actuator member, said actuator being operatively connected to said gripping member and to said coupling release member, such that upon actuation of said actuation member, said gripping member first end and said end moves from said first position to said second position, and said coupling release member moves from said third position to said fourth position. 23. The tool of claim 22, wherein said conduit gripping member first end is a first jaw member and said conduit gripping member second end is a second jaw member, said first jaw member being stationary relative to said actuator member and said second jaw member being movable relative to said first jaw member, said second jaw member being movable under sufficient force toward said first jaw member, when said gripping member is in said second position, to apply a force to a conduit positioned between said first jaw and said second jaw, to restrict relative movement between said gripping member and said conduit. 24. The tool of claim 23, wherein said coupling release member includes a pair of spaced apart release jaw members, and wherein the space between said spaced apart release jaw member is said quick release coupling receiving region, said quick release coupling receiving region having a region in which said spaced apart release jaw members are spaced apart by a distance that is less than the maximum diameter of said quick release coupling. 25. The tool of claim 24, wherein said coupling release member includes a pair of spaced apart release jaw members, and wherein the space between said spaced apart release jaw members is said quick release coupling receiving region, said quick release coupling receiving region having a region in which said spaced apart release jaw members are spaced apart by a distance that is less than the maximum diameter of said quick release coupling. 26. The tool of claim 22, wherein said actuator member comprises: a pair of handles, said pair of handles being biased away from each other, a first of said handles being linked to said conduit gripping member, for relative movement of said gripping member first end toward said gripping member second end upon movement of said pair of handles toward each other. 27. The tool of claim 25, wherein said actuator member comprises: a pair of handles, said pair of handles being biased away from each other, a first of said handles being linked to said conduit gripping member, for relative movement of said gripping member first end toward said gripping member second end upon movement of said pair of handles toward each other, and for relative movement of pair of spaced apart release jaw members away from conduit gripping member, upon movement of said pair of handles toward each other. 28. The tool of claim 27, wherein said actuator member comprises: a pair of handles, said pair of handles being biased away from each other, a first of said handles being linked to said conduit gripping member by a linking member, for relative movement of said gripping member first end toward said gripping member second end upon movement of said pair of handles from a first spaced apart position, toward each other to a second relatively closer position, and for relative movement of pair of spaced apart release jaw members away from conduit gripping member, upon movement of said pair of handles toward each other, from said second spaced apart position, toward each other to a third relatively closer position. 29. The tool of claim 28, wherein initial movement of said linking member moves said gripping member first end toward said gripping member second end, until said gripping member first end and second end engage said conduit and are in a fixed gripping position, and subsequent movement of said linking member produces relative movement of pair of spaced apart release jaw members away from conduit gripping member. 30. The tool of claim 29, said tool having a conduit engaging end and a handle end, said gripping member and said release jaw members being at said conduit engaging end and said pair of handle being at said handle end, said first handle being linked to said linking member by a coupling member, said linking member having a first end fixed to one of said gripping member first end or said second end, said coupling member having a first end in moveable engagement with said first handle and a second end in movable engagement with said linking member, wherein said handles initially move about an axis toward each and moves said linking member from said conduit engaging end toward said handle end until said gripping member first end and second end are in a fixed gripping position, and subsequent movement