Clamps

Details Clamps Clamps

1977-11-03

1978-10-24

Watson, Robert C.

Work holders

Relatively movable jaws

Means for direct manual adjustment of jaw

B25B 102

Patent

active

041218159

ABSTRACT:
The clamp comprises an L-shaped fixed member and an L-shaped sliding member retained by a loop thereon to be slidable along the post portion of the fixed member. A clamping screw threadably engages the slide bar portion of the sliding member above the loop, and bears against the inner surface of the post.
When the sliding member first engages a workpiece it tilts only slightly, and in an anticlockwise direction as illustrated in FIG. 1. Upon tightening of the clamping screw, the sliding member is tilted slightly but in a clockwise direction, correcting the initial tilt and maintaining the jaws substantially parallel.
Since the clamping screw bears against the post with a greater pressure than the pressure applied to the workpiece, the clamp does not rely upon tilting to grip the post.

REFERENCES:
patent: 3441265 (1969-04-01), Albert
patent: 3758100 (1973-09-01), Taylor et al.

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