Adjustable pressure dual piston impulse clutch

Details Adjustable pressure dual piston impulse clutch Adjustable pressure dual piston impulse clutch

1990-03-29

1992-03-03

Yost, Frank T.

Tool driving or impacting

Impacting devices

With anvil arranged to transmit torsional impact to tool

81463, 464 25, B25D 1500

Patent

active

050924109

ABSTRACT:
A hydraulic torque impulse generator uses a dual piston arrangement to provide impacts to a rotative anvil and automatic shut-off and control apparatus for limiting the pressure without reversing the direction of the driving clutch cage, a pressure venting arrangement permitting one impact per revolution.

REFERENCES:
patent: 2964151 (1960-12-01), Eckman
patent: 3082742 (1963-03-01), Vilmerding
patent: 3187860 (1965-06-01), Simmons
patent: 3214941 (1965-11-01), Shulters
patent: 3263449 (1966-08-01), Kramer
patent: 3354754 (1967-11-01), Amtsberg
patent: 3672185 (1972-06-01), Schoeps
patent: 4002212 (1977-01-01), Schoeps
patent: 4071092 (1978-01-01), Wallace
patent: 4553948 (1985-11-01), Tatsuno
patent: 4635731 (1987-01-01), Wallace
patent: 4767379 (1988-08-01), Schoeps
patent: 4785693 (1988-11-01), Minamiyama et al.
patent: 4836296 (1989-06-01), Brek
patent: 4967852 (1990-11-01), Tatsuno

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