Fluid pressure operated motor with positive locating device

Details Fluid pressure operated motor with positive locating device Fluid pressure operated motor with positive locating device

1987-01-20

1988-01-19

Weakley, Harold W.

Expansible chamber devices

With guide or seal on cylinder end portion for piston or...

Non-metallic seal means between piston or member and end...

92 136, F16J 1518

Patent

active

047198478

ABSTRACT:
A fluid pressure operated motor having a piston rod located in parallel offset relationship to the axis of the cylinder is provided with a fixed guide rod extending through the cylinder between the end caps in parallel offset relationship to the cylinder axis. The guide rod passes in sliding sealed relationship though a bore in the piston formed within like outwardly flared frusto-conical counterbores at each end. Complementary opposed frusto-conical locator members coaxially mounted at spaced fixed locations on the guide rod are seated respectively in the counterbores in the piston at opposite ends of the piston stroke to accurately locate the piston axially, radially and rotatively relative to the cylinder at each end of its stroke.

REFERENCES:
patent: 3979999 (1976-09-01), Emeuaker
patent: 4430923 (1984-02-01), Iuaba

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