4-Jaw work holding lathe chuck

Details 4-Jaw work holding lathe chuck 4-Jaw work holding lathe chuck

1981-11-03

1984-02-07

Bilinsky, Z. R.

Chucks or sockets

Radially reciprocating jaws

Transverse-screw actuated

279110, 269 74, B23B 3116

Patent

active

044298870

ABSTRACT:
Locking mechanism for the adjusting mechanism of a 4-jaw work holding rotary chuck of the kind having oppositely disposed pairs of jaws normally adjusted in position with equal and opposite movement but having provision for differential adjustment of one of each pair of oppositely disposed jaws relative to the other, the locking mechanism being constituted by a spring loaded driving member drivably connected to the adjusting mechanism and by a fixed element which the spring loaded driving member is capable of engaging non-rotatably, a turning moment applied to said spring loaded driving member in either direction being effective first to displace the latter from engagement with said fixed element and then to rotate the adjusting mechanism.

REFERENCES:
patent: 187438 (1877-02-01), Westcott
patent: 331603 (1885-12-01), Barnes
patent: 498998 (1893-06-01), Weatherby
patent: 767678 (1904-08-01), Barnaby
patent: 1048944 (1912-12-01), Cook
patent: 2215621 (1940-09-01), Slavik
patent: 3656773 (1972-04-01), Blattry et al.
patent: 3802713 (1974-04-01), Levy
patent: 4192521 (1980-03-01), Smith
patent: 4213622 (1980-07-01), Rohm

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