Chucks or sockets – With fluid-pressure actuator – Socket type
Patent
1981-05-13
1983-08-16
Garrett, Robert E.
Chucks or sockets
With fluid-pressure actuator
Socket type
279 2R, 279 33, 279114, B23B 3112, B23B 3140
Patent
active
043987338
ABSTRACT:
In the embodiment shown, the chuck comprises a hub rotatably journalled in a jaw carrier, and the latter rotatably journalled in a body. The carrier pivotably mounts a plurality of jaws having camming surfaces, and drive pins upstanding from the hub and the body slidably engage the camming surfaces to move the jaws outwardly, to engage the inner surface of a workpiece, or inwardly, to engage the outer surface of the workpiece. A screw carried in the jaw carrier is movable into the hub, to lock the hub and jaw carrier together, and movable into the body, to lock the body and the jaw carrier together. In the prior circumstance, the drive pins of the body are operative to move the jaws inwardly or outwardly; in the latter circumstance, the pins of the hub are operative to move the jaws as noted above. The jaws have a first plurality of camming surfaces for operative engagement with the drive pins in the body, and a second plurality of camming surfaces for operative engagement with the drive pins in the hub.
REFERENCES:
patent: 222056 (1879-11-01), Kirkham
patent: 1187920 (1916-06-01), Muller
patent: 1391441 (1921-09-01), Williamson
patent: 1429396 (1922-09-01), Barker
patent: 2264589 (1941-12-01), Rydquist
patent: 2528873 (1950-11-01), Dorman
patent: 2588938 (1952-03-01), Rogers
patent: 2593706 (1952-04-01), von Zelewsky
patent: 2916290 (1959-12-01), Skillin
patent: 3016245 (1962-01-01), von Zelewsky
patent: 3995869 (1976-12-01), Mazingue
Garrett Robert E.
Katz Steven B.
Murphy Bernard J.
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