Cylinder stroke limiter

Details Cylinder stroke limiter Cylinder stroke limiter

1983-10-27

1984-08-07

Maslousky, Paul E.

Motors: expansible chamber type

Working member position responsive motive fluid control

Exhaust control

251 74, 251294, F15B 1522

Patent

active

044636598

ABSTRACT:
A hydraulic cylinder stroke limiter has a valve for controlling fluid flow from a port of the cylinder. A flexible hose has one end fixed to the valve housing and the other end movably supported at the rod end of the cylinder by a pivotal bracket. A cable extends through the hose and is anchored at one end with respect to the bracket and at the other end to a poppet movable to open to close the valve. A stop is mountable on the piston rod to engage the bracket, its movement being communicated by the cable to the poppet to close the valve and prevent further rod retraction.

REFERENCES:
patent: 2587182 (1952-02-01), Livers
patent: 2606414 (1952-08-01), Dyrr
patent: 2606532 (1952-08-01), Ziskal
patent: 2699150 (1955-01-01), Ziskal
patent: 3667347 (1972-06-01), Patrick
patent: 3905279 (1975-09-01), Yadon
patent: 3967539 (1976-07-01), Williamson
patent: 3972265 (1976-08-01), Magnuson
patent: 4151978 (1979-05-01), Frel
Cessna Aircraft Co., Cylinder with Hydraulic Stroke Control, 1968.
Prince Hydraulics, Internal Stroke Control Cylinder, p. 8, (Date - prior to present invention).
Deere & Company, Remote Cylinder, Hoses, and Arm, 1978, pp. 70-80 and 70-82.

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