초록 ▼

A clamp device is disclosed having a first member having a handle portion and a jaw portion. A second member has a handle portion and a jaw portion. The handle portion and jaw portion of the second member define a notch extending from an inner surface of the handle portion of the second member at le

A clamp device is disclosed having a first member having a handle portion and a jaw portion. A second member has a handle portion and a jaw portion. The handle portion and jaw portion of the second member define a notch extending from an inner surface of the handle portion of the second member at least partially into the jaw portion of the second member, the second member being formed as a single piece. A pivot is pivotally coupling the first member and the second member intermediate their respective handle portion and jaw portion for opposed pivotal motion. An arcuate clamp bar has a first end coupled to the first member and a second end, an arc of the arcuate clamp bar being concentric with the pivot. A brake lever has an end pivotally coupled to the second member at the notch. The end contacts the jaw portion of the second member. The brake lever has an aperture with the arcuate clamp bar extending therethrough. The brake lever is movable laterally between a frictionally engaged position, frictionally engaging the arcuate clamp bar and a disengaged position.

대표청구항 ▼

1. A clamp device comprising:a first member having a handle portion and a jaw portion; a second member having a handle portion and a jaw portion, wherein the handle portion and jaw portion of the second member define a notch extending from an inner surface of the handle portion of the second member

1. A clamp device comprising:a first member having a handle portion and a jaw portion; a second member having a handle portion and a jaw portion, wherein the handle portion and jaw portion of the second member define a notch extending from an inner surface of the handle portion of the second member at least partially into the jaw portion of the second member, the second member being formed as a single piece; a pivot pivotally coupling the first member and the second member intermediate their respective handle portion and jaw portion for opposed pivotal motion; the notch being proximate the pivot; an arcuate clamp bar having a first end coupled to the first member and a second end, an arc of the arcuate clamp bar being concentric with the pivot; and a brake lever having an end pivotally coupled to the second member at the notch, the end contacting the jaw portion of the second member, the brake lever having an aperture with the arcuate clamp bar extending therethrough, the brake lever movable laterally between a frictionally engaged position, frictionally engaging the arcuate clamp bar and a disengaged position. 2. The clamp device of claim 1, wherein the jaw portion further includes a bearing bar, the notch being defined in part by the bearing bar.3. The clamp device of claim 2, wherein an end of the brake lever is pivotally coupled to the second member by being disposed within the notch, the end of the brake lever pivoting against the bearing bar.4. The clamp device of claim 3, further comprising a spring positioned between the handle portion of the second member and the end of the brake lever, the spring biasing the end of the brake lever against the bearing bar.5. The clamp device of claim 1, wherein the second end of the arcuate clamp bar extends into an aperture in the handle portion of the second member, the aperture being arcuately shaped.6. The clamp device of claim 1 wherein the jaw portion of the first member includes a first upper member and a first truncated member and the jaw portion of the second member includes a second upper member and a second truncated member, the first and the second upper members and the first and the second truncated members each further including an inner wall and an outer wall.7. The clamp device of claim 6, wherein the inner wall of the first upper member defines a first shoulder adjacent the first truncated member, and wherein the inner wall of the second upper member defines a second shoulder adjacent the second truncated member.8. The clamp device of claim 7 wherein the inner wall of the first truncated member and the first shoulder define a first recess, and wherein the inner wall of the second truncated member and the second shoulder define a second recess, the first recess receiving the second truncated member such that the second truncated member is substantially flush with the first upper member and the second recess receiving the first truncated member such that the first truncated member is substantially flush with the second upper member.9. The clamp device of claim 6 wherein the inner wall of at least one of the truncated members is each formed to define at least one hollow portion that extends along at least a portion of the inner wall.10. The damp device of claim 9 wherein the inner wall of the second truncated member further defines a hollow portion extending along at least a portion of the inner wall, the hollow portion adapted to slidably receive the arcuate clamp bar.11. The clamp device of claim 10 wherein the hollow portion includes an arcuate portion to slidably receive the arcuate clamp bar, the arcuate portion shaped to be concentric with the arcuate clamp bar.12. The clamp device of claim 6, wherein at least one of the upper members further comprises a web wall that extends along at least a portion of the at least one of the upper members, the web wall and the inner and outer walls of the at least one of the upper members defining hollow portions in the at least one of the upper members.13. The clamp device of claim 1, wherein the first member is formed as a single piece.14. The clamp device of claim 1, wherein a top side of the clamp bar further includes a series of ratcheting notches for engagement with a portion of the brake lever that defines a top side of the aperture.15. The clamp device of claim 1, wherein a bottom side of the clamp bar further includes a series of ratcheting notches for engagement with a portion of the brake lever that defines a bottom side of the aperture.16. A clamp device comprising:a first member having a handle portion and a jaw portion; a second member having a handle portion and a jaw portion, wherein the handle portion and the jaw portion of the second member define a notch extending from an inner surface of the handle portion of the second member at least partially into the jaw portion of the second member, the notch having inner surfaces integral with the second member; a pivot pivotally coupling the first member and the second member intermediate their respective handle portion and jaw portion for opposed pivotal motion; the notch being proximate the pivot; an arcuate clamp bar having a first end coupled to the first member and a second end, an arc of the arcuate clamp bar being concentric with the pivot; and a brake lever having an end pivotally disposed within the notch, the brake lever pivoting against an inner surface of the notch in the jaw portion of the second member, and having an aperture with the arcuate clamp bar extending therethrough, the brake lever movable laterally between a frictionally engaged position, frictionally engaging the arcuate clamp bar and a disengaged position, and substantially motionless longitudinally. 17. The clamp device of claim 16 further comprising a spring positioned between the handle portion of the second member and the end of the brake lever, the spring biasing the end of the brake lever against the inner surface of the notch.18. The clamp device of claim 16 wherein the jaw portion of the first member includes a first upper member and a first truncated member and the jaw portion of the second member includes a second upper member and a second truncated member, the first and the second upper members and the first and the second truncated members each further including an inner wall and an outer wall.19. The clamp device of claim 18, wherein the inner wall of the first upper member defines a first shoulder adjacent the first truncated member, and wherein the inner wall of the second upper member defines a second shoulder adjacent the second truncated member.20. The clamp device of claim 19 wherein the inner wall of the first truncated member and the first shoulder define a first recess, and wherein the inner wall of the second truncated member and the second shoulder define a second recess, the first recess for receiving the second truncated member such that the second truncated member is substantially flush with the first upper member and the second recess for receiving the first truncated member such that the first truncated member is substantially flush with the second upper member.21. The clamp device of claim 18, wherein at least one of the upper members further comprises a web wall that extends along at least a portion of the at least one of the upper members, the web wall and the inner and outer walls of the at least one of the upper members defining hollow portions in the at least one of the upper members.22. The clamp device of claim 16, wherein a top side of the clamp bar further includes a series of ratcheting notches for engagement with a portion of the brake lever that defines a top side of the aperture.23. The clamp device of claim 16, wherein a bottom side of the clamp bar further includes a series of ratcheting notches for engagement with a portion of the brake lever that defines a bottom side of the aperture.24. A clamp device comprising:a first member having a handle portion and a jaw portion, the jaw portion including a first upper member and a first truncated member each having an inner wall and a first shoulder defined by the inner wall of the first upper member and adjacent the first truncated member; a second member having a handle portion and a jaw portion, the jaw portion including a second upper member and a second truncated member each having an inner wall and a second shoulder defined by the inner wall of the second upper member and adjacent the second truncated member, the second truncated member having a notch defined thereon; a first recess defined by the inner wall of the first truncated member and the first shoulder, the first recess for receiving the second truncated member such that the second truncated member is substantially flush with the first upper member; a second recess defined by the inner wall of the second truncated member and the second shoulder, the second recess for receiving the first truncated member such that the first truncated member is substantially flush with the second upper member; a pivot pivotally coupling the first member and the second member intermediate their respective handle portion and jaw portion for opposed pivotal motion; the notch of the second truncated member being proximate the pivot; an arcuate clamp bar having a first end coupled to the first member at the notch, and a second end, an arc of the arcuate clamp bar being concentric with the pivot; and a brake lever having an end contacting the second truncated member and having an aperture with the arcuate clamp bar extending therethrough, the brake lever being movable laterally between a frictionally engaged position engaging the arcuate clamp bar and a disengaged position. 25. The clamp device of claim 24 wherein the end of the brake lever is pivotally coupled to the second truncated member.26. The clamp device of claim 25, wherein the second truncated member further includes a bearing bar, the notch being defined in part by the bearing bar.27. The clamp device of claim 26, further comprising a spring positioned between the handle portion of the second member and the end of the brake lever, the spring biasing the end of the brake lever against the bearing bar.28. The clamp device of claim 24, wherein the second end of the arcuate clamp bar extends into an aperture in the handle portion of the second member, the aperture being arcuately shaped.29. The clamp device of claim 24, wherein at least one of the upper members further comprises a web wall that extends along at least a portion of the at least one of the upper members, the web wall and the inner and outer walls of the at least one of the upper members defining hollow portions in the at least one of the upper members.30. The clamp device of claim 24, wherein the first member is formed as a single piece and the second member is formed as a single piece.31. The clamp device of claim 24, wherein a top side of the clamp bar further includes a series of ratcheting notches for engagement with a portion of the brake lever that defines a top side of the aperture.32. The clamp device of claim 24, wherein a bottom side of the clamp bar further includes a series of ratcheting notches for engagement with a portion of the brake lever that defines a bottom side of the aperture.33. A clamp device comprising:a first member having a handle portion and a jaw portion, the jaw portion including a first upper member having an inner wall, an outer wall and a web wall that extends along at least a portion of the first upper member, the inner wall, the outer wall and the web wall defining hollow portions in the first upper member; a second member having a handle portion and a jaw portion, the jaw portion including a second upper member having an inner wall, an outer wall and a web wall that extends along at least a portion of the second upper member, the inner wall, the outer wall and the web wall defining hollow portions in the second upper member, the second member having a notch defined thereon; a pivot pivotally coupling the first member and the second member intermediate their respective handle portion and jaw portion for opposed pivotal motion; the notch being proximate the pivot; an arcuate clamp bar having a first end coupled to the first member, the arcuate clamp bar being concentric with the pivot; and a brake lever having an end contacting the jaw portion of the second member at the notch and having an aperture with the arcuate clamp bar extending therethrough, the brake lever being movable laterally between a frictionally engaged position engaging the arcuate clamp bar and a disengaged position. 34. The clamp device of claim 33 wherein the end of the brake lever is pivotally coupled to the jaw portion of the second member.35. The clamp device of claim 34, wherein the jaw portion of the second member further includes a bearing bar, the notch being defined in part by the bearing bar.36. The clamp device of claim 35, further comprising a spring positioned between the handle portion of the second member and the end of the brake lever, the spring biasing the end of the brake lever against the bearing bar.37. The clamp device of claim 33 wherein the jaw portion of the first member further includes a first truncated member and the jaw portion of the second member further includes a second truncated member, the first and the second truncated members each having an inner wall and an outer wall.38. The clamp device of claim 37, wherein the inner wall of the first upper member defines a first shoulder adjacent the first truncated member, and wherein the inner wall of the second upper member defines a second shoulder adjacent the second truncated member.39. The clamp device of claim 38 wherein the inner wall of the first truncated member and the first shoulder define a first recess, and wherein the inner wall of the second truncated member and the second shoulder define a second recess, the first recess receiving the second truncated member such that the second truncated member is substantially flush with the first upper member and the second recess receiving the first truncated member such that the first truncated member is substantially flush with the second upper member.40. The clamp device of claim 33, wherein the first member is formed as a single piece and wherein the second member is formed as a single piece.41. The clamp device of claim 33, wherein a top side of the clamp bar further includes a series of ratcheting notches for engagement with a portion of the brake lever that defines a top side of the aperture.42. The clamp device of claim 33, wherein a bottom side of the clamp bar further includes a series of ratcheting notches for engagement with a portion of the brake lever that defines a bottom side of the aperture.