Work holders – Relatively movable jaws – Convertible to other type or form of holder
Patent
1977-12-13
1979-10-09
Watson, Robert C.
Work holders
Relatively movable jaws
Convertible to other type or form of holder
269 99, 269203, 269211, 269247, B25B 102
Patent
active
041703456
ABSTRACT:
Disclosed herein is a holding clamp assembly disposed on a table having parallel trackways disposed thereon. Riding within these trackways are diverse types of clamping mechanisms which cooperate and coact with one another to provide retention means for objects to be worked on. In one embodiment, the clamping devices comprise opposed parallel faces which engage the object to be worked on. Another embodiment the clamping mechanism is defined by L-shaped clamps having clamping screws disposed at one extremity to engage a work piece between the table surface and the screw clamp.
REFERENCES:
patent: 841012 (1907-01-01), Helm
patent: 990186 (1911-04-01), Berg
patent: 1024728 (1912-04-01), Jackson
patent: 1026475 (1912-05-01), Tarbuck
patent: 1529281 (1925-03-01), Taylor
patent: 1766230 (1930-06-01), Sed
patent: 3357697 (1967-12-01), Zanitsch
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