Device for holding workpieces

Details Device for holding workpieces Device for holding workpieces

1978-06-28

1979-05-22

Watson, Robert C.

Work holders

Relatively movable jaws

Clamp couple element with fastening means

269239, B23Q 302

Patent

active

041555422

ABSTRACT:
This invention relates to a system for releaseably securing workpieces to a worktable, including a pressure element and/or a draw element. Both said elements have means for coarse- and fine adjustment. According to the invention the draw element is flexible and consists of a link chain, the coarse adjustment means consists of at least one bracket for engagement with at least one chain link, said bracket having means for direct or indirect engagement with a groove of a worktable and that the fine adjustment means consists of a member wherein a threaded bar may be screwed. Said member and said bar are arranged to be attached to an abutment respectively to a bracket and to said chain.

REFERENCES:
patent: 1072363 (1913-09-01), Roberts
patent: 2471726 (1949-05-01), Coffing
patent: 3767182 (1973-10-01), Badovick
patent: 4011979 (1977-03-01), Hagen et al.

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