Braking device for a fluid power actuator

Details Braking device for a fluid power actuator Braking device for a fluid power actuator

1982-09-03

1985-08-27

Hershkovitz, Abraham

Expansible chamber devices

With releasable stop or latch means to prevent movement of...

Means includes element interfitting between working member...

92 27, F15B 1526

Patent

active

045371130

ABSTRACT:
A braking device for a fluid power actuator, which braking device automatically brakes the movement of a piston rod in response to a failure in the supply of pressurized fluid to the fluid power actuator. Ball elements are urged radially inwardly between a pair of converging surfaces to cause a drive ring member having a ramp surface thereon to move into engagement with a brake ring to effect a contracting thereof into engagement with the piston rod.

REFERENCES:
patent: 3151525 (1964-10-01), Dobrikin
patent: 3203513 (1965-08-01), Allen
patent: 3205020 (1965-09-01), Schubert
patent: 3397620 (1968-08-01), Skelton
patent: 3429233 (1969-02-01), Wright
patent: 3643765 (1972-02-01), Hanchen
patent: 4185539 (1980-01-01), Stratienko
Schiedrum-Hydraulik, Zeitschrift Fluid, Feb. 1974, Kennziffer 42.

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