Torque triggering clutch

Details Torque triggering clutch Torque triggering clutch

1980-05-13

1982-03-30

Briggs, William R.

Cutting by use of rotating axially moving tool

Tool or tool-support with torque-applying clutch

192 56R, 279 1ME, 408 73, B23B 4724, B23B 3138

Patent

active

043221866

ABSTRACT:
A torque triggering clutch for automatically releasing the jaws of a tightening chuck or other gripping fixture used on high speed capping machinery which screw on tops or caps of filed containers. The torque triggering clutch releases the jaws of the chuck or gripping fixture when a pre-set torque on the top or cap has been attained. The device comprises a threaded and rotatable cap for applying greater or lesser pressure on a friction clutch assembly through an intermediate pin and coil spring assembly; a plunger and trigger head assembly which moves up or down against the pressure of a second coil spring and associated with the tightening chuck for opening same when the pre-set torque has been attained; and, two steel balls, magnets and slots which function to alternately restrain and then allow the trigger head to move upwardly thereby releasing the tightening chuck or gripping fixture.

REFERENCES:
patent: 1353048 (1920-09-01), Koontz
patent: 1872059 (1932-08-01), Breitenstein
patent: 2028075 (1936-01-01), Nell
patent: 2463083 (1949-03-01), Brownlee
patent: 2741352 (1956-04-01), Stevens et al.
patent: 3002206 (1961-10-01), Johnson
patent: 3214773 (1965-11-01), Benjamin
patent: 3787136 (1974-01-01), Steiner
patent: 3791756 (1974-02-01), Johnson
patent: 3999642 (1976-12-01), Johnson
patent: 4122928 (1978-10-01), Smith

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