Ergonomic clamp pin handle cover

• US 5,758,870 A
• Filed: 05/07/1996
• Issued: 06/02/1998
• Est. Priority Date: 05/07/1996
• Status: Expired due to Fees

• Current Assignee: Mega Technology E.D.M., Inc.
• Original Assignee: Mega Technology E.D.M., Inc.
• Inventors: Weaver, Michael L.
• Primary Examiner(s): Watson, Robert C.
• Application Number:
  US08/646,049
• Time in Patent Office: 756 Days
• Field of Search: 269/239, 269/249, 269/285, 269/329, 16/116 A, 16/DIG. 12, D 8/71, D 8/72, D 8/73, D 8/80, D 8/303, D 8/321, D 8/322, 150/161
• US Class Current: 269/329
• CPC Class Codes: B25B 5/101 C-clamps
• CPC Class Codes: B25B 5/103 with a hinge
• CPC Class Codes: B25B 5/16 Details, e.g. jaws, jaw attachments
• CPC Class Codes: B25G 1/005 for screwdrivers, wrenches or spanners with additional levers, e.g. for increasing torque
• CPC Class Codes: B25G 1/102 the shape being specially adapted to facilitate handling or improve grip
• CPC Class Codes: B25G 3/08 with dovetail or other groove B25G3/12 takes precedence
• CPC Class Codes: B25G 3/10 with elastic, taper, or other self-grip socket or tang B25G3/12 takes precedence

Abstract

A clamp pin handle cover for covering a pin handle of a mechanical clamp. The clamp pin handle cover includes an elongate cover body defining a slot which is adapted to receive the clamp pin handle therein. In one embodiment the clamp pin handle cover is adapted for use with a clamp having a fixed pin handle. In a second embodiment the clamp pin handle cover is adapted for use with a clamp having a translating pin handle with the translating pin handle disposed at its mid position or a translated position.

Claims

1. A clamp pin handle cover adapted to engage a clamp pin handle of a clamp, the clamp pin handle of the clamp being supported by a clamp boss and having a predetermined pin handle diameter and radius, comprising:

an elongate cover body, said cover body defining

a slot having a slot opening, said slot and said slot opening extending longitudinally along a portion of the length of said cover body, and

a boss receiving bore, said boss receiving bore being disposed in said cover body coincident with said slot

said cover body including first and second opposed sidewalls and a top wall extending from said first sidewall to said second sidewall and coincident therewith, said sidewalls and said top wall defining said slot,

said cover body being adapted to receive the clamp pin handle through said slot opening, within said slot, and said boss receiving bore being adapted to receive the clamp boss within said boss receiving bore, when said clamp pin handle cover is engaged with the clamp pin handle thereby covering the clamp pin handle, and

said sidewalls being spaced a predetermined sidewall width apart to prevent unintended movement of said pin handle cover relative to the pin handle when the clamp pin handle resides within said slot.

2. The apparatus of claim 1 wherein said boss receiving bore is located at a midpoint of said cover body.

3. The apparatus of claim 1 wherein said slot is a closed end slot.

4. The apparatus of claim 1 wherein said slot is an opened end slot, said opened end slot opening outwardly of said cover body.

5. The apparatus of claim 1 wherein said predetermined sidewall width is substantially equal to the predetermined pin handle diameter such that an interference fit between said pin handle and said first and second opposed sidewalls exists when the clamp pin handle is positioned between said first and second opposed sidewalls.

6. The apparatus of claim 1 wherein said predetermined sidewall width is less than the predetermined pin handle diameter such that an interference fit between said pin handle and said first and second opposed sidewalls exists when the clamp pin handle is positioned between said first and second opposed sidewalls.

7. The apparatus of claim 6 wherein said predetermined sidewall width is between 0.001 to 0.005 inches less than the predetermined pin handle diameter.

10. The apparatus of claim 1 wherein said slot and said slot opening are configured such that said cover body is disposed in engagement with the clamp pin handle by laterally moving said cover body into engagement with the clamp pin handle so that the clamp pin handle is received in said slot through said slot opening.

27. The apparatus of claim 1 wherein said top wall of said slot is circularly configured.

28. The apparatus of claim 27 wherein said circularly configured top wall defines a radius of curvature greater than the pin handle radius.

32. The apparatus of claim 1 wherein said clamp pin handle cover is configured to engage the clamp pin handle of the clamp securely yet removably from the clamp pin handle.

8. A clamp pin handle cover adapted to engage a clamp pin handle of a clamp, the clamp pin handle being supported by a clamp boss and wherein the clamp pin handle is a translating pin handle supported for translation within a mounting aperture defined by the clamp boss, the clamp pin handle being positionable at a translated position with respect to the clamp boss such that when the clamp pin handle is positioned at the translated position an end of the clamp pin handle is located adjacent to the clamp boss, said clamp pin handle cover comprising:

an elongate cover body, said cover body defining a slot, said slot extending along a portion of the length of said cover body and defining a slot opening extending longitudinally along said cover body, and

a boss receiving bore defined by said cover body disposed coincident with said slot and located adjacent an end of said cover body, wherein said slot and said boss receiving bore are adapted to receive the clamp pin handle and the clamp boss, respectively, therein when the translating clamp pin handle is disposed in the translated position and the clamp pin handle cover is engaged with said clamp pin handle thereby covering the clamp pin handle.

11. The apparatus of claim 8 wherein said slot is a closed end slot.

12. The apparatus of claim 8 wherein said slot is an opened end slot, said opened end slot opening outwardly of said cover body.

13. The apparatus of claim 8 wherein said cover body includes first and second opposed sidewalls and a top wall extending from said first sidewall to said second sidewall and coincident therewith, said sidewalls and said top wall defining said slot, said sidewalls being spaced a predetermined sidewall width apart to prevent unintended movement of said pin handle cover from the pin handle when the pin handle cover is disposed in covering engagement with the pin handle.

14. The apparatus of claim 13 wherein said top wall of said slot is circularly configured.

15. The apparatus of claim 14 wherein the pin handle of the clamp has a predetermined pin handle diameter and radius and wherein said circularly configured top wall defines a radius of curvature greater than the predetermined pin handle radius.

16. The apparatus of claim 13 wherein the pin handle of the clamp comprises a predetermined pin handle diameter and wherein said predetermined sidewall width is substantially equal to the predetermined pin handle diameter such that an interference fit between said pin handle and said first and second opposed sidewalls exists when the clamp pin handle is positioned between said first and second opposed sidewalls.

17. The apparatus of claim 13 wherein the pin handle of the clamp has a predetermined pin handle diameter and wherein said predetermined sidewall width is less than the predetermined pin handle diameter such that an interference fit between said pin handle and said first and second opposed sidewalls exists when the clamp pin handle is positioned between said first and second opposed sidewalls.

18. The apparatus of claim 17 wherein said predetermined sidewall width is between 0.001 to 0.005 inches less than the predetermined pin handle diameter.

33. The apparatus of claim 8 wherein said clamp pin handle cover is configured to engage the clamp pin handle of the clamp securely yet removably from the clamp pin handle.

9. A clamp pin handle cover adapted to engage a clamp pin handle of a clamp the clamp pin handle being supported by a clamp boss and wherein the clamp pin handle is a translating clamp pin handle supported for translation within a mounting aperture defined by the clamp boss, the clamp pin handle being positionable between a mid position and a translated position with respect to the clamp boss such that when the clamp pin handle is positioned at the translated position an end of the clamp pin handle is adjacent to the clamp boss, said clamp pin handle cover comprising:

an elongate cover body, said cover body defining a slot, said slot extending along a portion of the length of said cover body and defining a slot opening extending longitudinally along said cover body, and

first and second boss receiving bores defined by said cover body, said first and second boss receiving bores being coincident with said slot and wherein said first boss receiving bore is located at a mid position of said cover body and said second boss receiving bore is located adjacent an end of said cover body,

wherein said slot and said first boss receiving bore are adapted to receive the clamp pin handle and the clamp boss, respectively, therein when the translating clamp pin handle is disposed at the mid position and the clamp pin handle cover is engaged with said clamp pin handle, and wherein said slot and said second boss receiving bore are adapted to receive the clamp pin handle and the clamp boss, respectively, therein when the translating pin handle is disposed in the translated position and the clamp pin handle cover is engaged with said clamp pin handle thereby covering the clamp pin handle.

19. The apparatus of claim 9 wherein said slot is a closed end slot.

20. The apparatus of claim 9 wherein said slot is an opened end slot, said opened end slot opening outwardly of said cover body.

21. The apparatus of claim 9 wherein said cover body includes first and second opposed sidewalls and a top wall extending from said first sidewall to said second sidewall and coincident therewith, said sidewalls and said top wall defining said slot, said sidewalls being spaced a predetermined sidewall width apart to prevent unintended movement of said pin handle cover from the pin handle when the pin handle cover is disposed in covering engagement with the pin handle.

22. The apparatus of claim 21 wherein said top wall of said slot is circularly configured.

23. The apparatus of claim 22 wherein the pin handle of the clamp has a predetermined pin handle diameter and radius and wherein said circularly configured top wall defines a predetermined radius of curvature greater than the predetermined pin handle radius.

24. The apparatus of claim 21 wherein the pin handle of the clamp comprises a predetermined pin handle diameter and wherein said predetermined sidewall width is substantially equal to the predetermined pin handle diameter such that an interference fit between said pin handle and said first and second opposed sidewalls exists when the clamp pin handle is positioned between said first and second opposed sidewalls.

25. The apparatus of claim 21 wherein the pin handle of the clamp has a predetermined pin handle diameter and wherein said predetermined sidewall width is less than the predetermined pin handle diameter such that an interference fit between said pin handle and said first and second opposed sidewalls exists when the clamp pin handle is positioned between said first and second opposed sidewalls.

26. The apparatus of claim 25 wherein said predetermined sidewall width is between 0.001 to 0.005 inches less than the predetermined pin handle diameter.

34. The apparatus of claim 9 wherein said clamp pin handle cover is configured to engage the clamp pin handle of the clamp securely yet removably from the clamp pin handle.

29. A clamp pin handle cover adapted to engage a clamp pin handle of a clamp, the clamp pin handle of the clamp being supported by a clamp boss, comprising:

an elongate cover body, said cover body defining

a slot having a slot opening, said slot and said slot opening extending longitudinally along a portion of the length of said cover body, and

a circularly shaped boss receiving bore sized and configured to receive a circularly shaped boss therein, said boss receiving bore being disposed in said cover body coincident with said slot and defining a longitudinal bore axis transverse to said slot,

said cover body being adapted to receive the clamp pin handle through said slot opening, within said slot, and said circularly shaped boss receiving bore being adapted to receive a clamp boss within said circularly shaped boss receiving bore when said clamp pin handle cover is engaged with the clamp pin handle thereby covering the clamp pin handle.

30. A clamp pin handle cover adapted to engage a clamp pin handle of a clamp, the clamp pin handle of the clamp being supported by a clamp boss and, the clamp pin handle being a translating pin handle supported for translation within a mounting aperture defined by the clamp boss, the clamp pin handle being positionable at a translated position with respect to the clamp boss such that when the pin handle is positioned at the translated position an end of the pin handle is adjacent to the clamp boss, comprising:

an elongate cover body, said cover body defining

a slot having a slot opening, said slot and said slot opening extending longitudinally along a portion of the length of said cover body, and

a boss receiving bore disposed coincident with said slot and located adjacent an end of said cover body, wherein

said slot and said boss receiving bore are adapted to receive the clamp pin handle and the clamp boss, respectively, therein when the translating clamp pin handle is disposed in the translated position and the clamp pin handle cover is engaged with said clamp pin handle.

31. A clamp pin handle cover adapted to engage a clamp pin handle of a clamp, the clamp pin handle of the clamp being supported by a clamp boss and, the clamp pin handle being a translating pin handle supported for translation within a mounting aperture defined by the clamp boss, the clamp pin handle being positionable between a mid position and a translated position with respect to the clamp boss such that when the pin handle is positioned at the translated position an end of the pin handle is adjacent to the clamp boss, comprising:

an elongate cover body, said cover body defining

a slot having a slot opening, said slot and said slot opening extending longitudinally along a portion of the length of said cover body, and

first and second boss receiving bores, said first and second boss receiving bores being coincident with said slot, said first boss receiving bore being located at a mid position of said cover body and said second boss receiving bore being located adjacent an end of said cover body, wherein

said slot and said first boss receiving bore are adapted to receive the clamp pin handle and the clamp boss, respectively, therein when the translating clamp pin handle is disposed at the mid position and the clamp pin handle cover is engaged with said clamp pin handle, and wherein said slot and said second boss receiving bore are adapted to receive the clamp pin handle and the clamp boss, respectively, therein when the translating pin handle is disposed in the translated position and the clamp pin handle cover is engaged with said clamp pin handle.