Chucks or sockets – With fluid-pressure actuator – Socket type
Patent
1978-01-30
1979-02-13
Weidenfeld, Gil
Chucks or sockets
With fluid-pressure actuator
Socket type
279 1D, 279 1L, 92 76, B23B 3130
Patent
active
041392078
ABSTRACT:
A fluid actuated chuck has two pairs of surfaces adaptable to engage a work piece with each of said pairs of surfaces being independently operable by the fluid. Such a chuck body includes means forming two pairs of surfaces carried and rotatably driven by the chuck body. Each of said surfaces of each of said pairs is free to move independently of the others. The chuck body also includes a pair of cylinders and passageways to deliver fluid thereto and carries a pair of pistons with one piston in each cylinder. Each of the pistons is free to move in the direction of the axis of rotation in response to fluid pressure within its cylinder. A first drive train forms a mechanical link between one of said pair of pistons and one of said pairs of surfaces, and a second drive train forms a mechanical link between the other of said pair of pistons and the other of said pairs of surfaces. The first and second drive trains transmit movement of said pair of pistons in response to the application of fluid to said chuck independently to said one pair of surfaces and to said other pair of surfaces to permit engagement and rotation of the work piece.
REFERENCES:
patent: 2667356 (1954-01-01), Forward
patent: 2932284 (1960-04-01), Stace et al.
patent: 2958532 (1960-11-01), Benjamin et al.
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