Chucks or sockets – With fluid-pressure actuator – Socket type
Patent
1982-07-30
1984-11-13
Bilinsky, Z. R.
Chucks or sockets
With fluid-pressure actuator
Socket type
279 1DC, 279 1L, 279 4, 279119, B23B 3130
Patent
active
044821620
ABSTRACT:
A chuck for a workpiece comprising an annular piston housed in the main body of the chuck, an annular adjusting member supported on a cylindrical rod portion integral with the piston and movable only radially thereof, and three clamp levers pivotably mounted on the chuck main body and arranged at an equal spacing along the circumference thereof for radially driving clamp jaws on a front plate of the main body. Each of the clamp levers has a rear end in engagement with a tapered surface on the outer periphery of the adjusting member. With the portion of the workpiece to be machined held in its centered position, another portion of the workpiece is held by the clamp jaws, and three wedge-like lock members arranged between the cylindrical rod portion and the adjusting member at an equal spacing circumferentially thereof are individually advanced to lock the adjusting member.
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patent: 548773 (1895-10-01), Cherry
patent: 1816655 (1931-07-01), Ragan
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patent: 3338120 (1967-08-01), Renoux
patent: 3364823 (1968-01-01), Benjamin et al.
patent: 3456956 (1969-07-01), Herbkersman
patent: 3630535 (1971-12-01), Renoux
patent: 3707295 (1972-12-01), Vennin
patent: 3992019 (1976-11-01), Crawshay
patent: 4249459 (1981-02-01), Pruden
Bilinsky Z. R.
Howell Daniel W.
Koyo Machine Industries Company, Inc.
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