Linear guide air chuck

Details Linear guide air chuck Linear guide air chuck

1998-01-27

1999-08-31

Bishop, Steven C.

Chucks or sockets

With fluid-pressure actuator

Pneumatic type

279 412, 279119, 279123, 901 37, B23B 31175, B23B 3130

Patent

active

059443260

ABSTRACT:
Pinching of the fingers of an air chuck is prevented during opening or closing in order to allow them to open or close smoothly and to miniaturize the air chuck. In a linear guide air chuck having a rod that is operated by an air cylinder mechanism; a pair of fingers is provided that can be opened and closed to grip a workpiece; a guide mechanism moves the fingers linearly to open or close them; and a pair of levers convert operation of the rod into the opening and closing operation of both fingers the lever and finger being coupled together by fitting a spherical engagement element formed on the lever so, in a circular engagement hole cut in the top surface of the finger, at a position at which the acting force of the lever can be transmitted to the finger at nearly the same height as that of the guide mechanism.

REFERENCES:
patent: 2775461 (1956-12-01), Ehrlich et al.
patent: 3085813 (1963-04-01), Sampson
patent: 3251606 (1966-05-01), Oswald et al.
patent: 4892344 (1990-01-01), Takada et al.

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