Brakes – Internal-resistance motion retarder – With means for locking parts together temporarily
Patent
1993-06-11
1995-07-04
Oberleitner, Robert J.
Brakes
Internal-resistance motion retarder
With means for locking parts together temporarily
188317, 267 6412, 92 137, F16F 932, F16F 500
Patent
active
054292174
ABSTRACT:
A hydraulic positioner of the type having a piston movable in a hydraulic cylinder and a valve actuatable for releasing the piston for movement in the chamber is provided with a continuously adjustable mechanism for limiting the stroke of the piston. The cylinder and the stroke limiter share a common tubular housing which is partitioned to define the hydraulic chamber, thereby simplifying the device.
REFERENCES:
patent: 3528532 (1970-09-01), Moskow
patent: 4155433 (1979-05-01), Porter
patent: 5005677 (1991-04-01), Bucholtz et al.
patent: 5133245 (1992-07-01), Lee et al.
patent: 5211379 (1993-05-01), Porter
Porter Clyde R.
Stringer Calvin R.
Oberleitner Robert J.
P. L. Porter Co.
Rutherford Kevin D.
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