Chucks or sockets – With fluid-pressure actuator – Socket type
Patent
1979-10-12
1981-11-17
Bilinsky, Z. R.
Chucks or sockets
With fluid-pressure actuator
Socket type
279 4, 279 5, 279121, B23B 3116, B23B 3130, B23B 3134
Patent
active
043007805
ABSTRACT:
A centering and self-adjusting chuck for clamping stock includes at least three circumferentially spaced dependent jaws that initially are displaced by being simultaneously radially inwardly driven equal distances under low pressure to center the stock positioned therebetween and further includes at least three other circumferentially spaced independent jaws that are then independently displaced by being radially inwardly driven under low pressure any distance required to have each such independent jaw engage the centered stock, the dependent and independent jaws finally being displaced by being simultaneously radially inwardly driven under higher pressure tightly and uniformly to clamp the stock therebetween for subsequent machining.
REFERENCES:
patent: 2323091 (1943-06-01), Johnston et al.
patent: 3083024 (1963-03-01), Herbkersman
patent: 3083025 (1963-03-01), Herbkersman
patent: 3142491 (1964-07-01), Ohashi
patent: 3456956 (1969-07-01), Herbkersman
patent: 3751053 (1973-08-01), Swanson
patent: 3975030 (1976-08-01), Akeel et al.
Bilinsky Z. R.
PMC Industries, Inc.
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