Power-operated chuck

Details Power-operated chuck Power-operated chuck

1989-07-03

1991-10-29

Schwartz, Larry I.

Chucks or sockets

With fluid-pressure actuator

Socket type

279121, B23B 3116

Patent

active

050609572

ABSTRACT:
A power-operated chuck having a chuck body and clamping jaws that are displaceably guided in radial guides of the chuck body and that are adapted to be actuated by at least one drive element, which is displaceably guided in the chuck body and is actuated by a force producer that is operated with pressure medium. At least one chamber for receiving lubricating grease is provided in the chuck body, with lubricating bores establishing communication between the chamber and at least some glide surfaces provided for the chuck. At least one chuck component is provided that is moved during actuation of the clamping jaws, with this at least one chuck component extending into the chamber for the production of a pump movement that presses lubricating grease into the lubricating bores.

REFERENCES:
patent: 1786147 (1930-12-01), Bullard
patent: 4047723 (1977-09-01), Buch
patent: 4240645 (1980-12-01), Rohm
patent: 4696209 (1987-09-01), Felten et al.

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