Chucks or sockets – With fluid-pressure actuator – Socket type
Patent
1984-05-23
1985-08-27
Peters, Jimmy C.
Chucks or sockets
With fluid-pressure actuator
Socket type
92106, 277 74, B23B 3130
Patent
active
045374104
ABSTRACT:
In a power operated chuck, a radially elastically deformable seal ring is inserted in a recess of a pressure fluid supply ring embracing the chuck body. The seal ring comprises a stiff body portion in which passages are provided for the pressure fluid, and laterally projecting fins which are elastically deformable in the radial direction of the chuck and apply against the supply ring. In an unloaded state, the seal ring is under slight bias applied against the supply ring and spaced from the circumferential surface of the chuck body. The area of the outer circumferential surface of the seal ring, exposed to the inflowing pressure fluid, is larger than the ring area on the inside circumference which is exposed to fluid pressure from the inside. The design makes it possible to transfer, in a short period of time, a large amount of pressure fluid into the chuck. Also, the seal ring disengages from the chuck body abruptly.
REFERENCES:
patent: 3545342 (1970-12-01), Hiestand
patent: 3835649 (1974-09-01), LeTestu
patent: 4014311 (1977-03-01), Steere
patent: 4230324 (1980-10-01), Derman
patent: 4434990 (1984-03-01), Kobayashi
patent: 4482162 (1984-11-01), Anegawa
Peters Jimmy C.
SMW Schneider & Weisshaupt GmbH
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