Work holders – Relatively movable jaws – Jaw features
Patent
1981-03-30
1982-10-12
Watson, Robert C.
Work holders
Relatively movable jaws
Jaw features
269275, 269283, 269289MR, 291484C, 192107C, B25B 124
Patent
active
043535372
ABSTRACT:
A device for clamping or forceful engagement. Top and bottom casing members are maintained in restricted movable engagement with each other. Received within the casing members are a plurality of balls, arranged in layers. Certain of the balls are spring-biased to urge the top and bottom casing members away from each other. In one embodiment of the invention, certain of the balls protrude through the top casing member and adapt to clamp objects of varying geometrical configurations. As forceful engagement is attained, the balls of the device compress and interlock with each other. In another embodiment of the invention, the top casing is without holes and the apparatus may then be used to achieve forceful engagement with an angled surface such as in a clutch mechanism.
REFERENCES:
patent: 1256217 (1918-02-01), Fieldhouse
patent: 2288158 (1942-06-01), Ellinwood
patent: 3588207 (1971-06-01), Greby
patent: 3604700 (1971-09-01), Gault
patent: 4047709 (1977-09-01), Thyberg et al.
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