Woodworking – Bench dog – Removable
Patent
1997-08-04
1999-01-26
Bray, W. Donald
Woodworking
Bench dog
Removable
1442861, 1442865, 144287, 269181, 269183, 269204, 269901, B25H 500
Patent
active
058628428
ABSTRACT:
A working bench with quick clamping type cramp device including a bench face disposed with a semicircular angle scale having a cursor and formed with multiple through holes, and a cramp device selectively fixed in the through holes of the bench face according to the size of the work piece. The cramp device includes a main base, an engaging seat opposite thereto and a quick movable clamping block positioned therebetween. A thread rod is connected with the main base and the clamping block. A ratchet crank is disposed on the thread rod. The end of the thread rod is engaged with a one-way ratchet restricting block, whereby the main base and the engaging seat are first locked in the through holes of the bench face according to the shape of the work piece and then the clamping block is quickly moved to lean against the work piece and then the ratchet crank is swung to tightly clamp the work piece.
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patent: 4415149 (1983-11-01), Rees
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