Precision hydraulic adjustable stop

Details Precision hydraulic adjustable stop Precision hydraulic adjustable stop

1996-07-29

1998-01-27

Denion, Thomas E.

Power plants

Pressure fluid source and motor

Pulsator

60568, 92103M, B60T 700

Patent

active

057111537

ABSTRACT:
Repeatable no-backlash adjustable hydraulic stops are disclosed which have a rigid body which defines a cavity. One or more elastically deformable end plates are mounted in closing relation to the body cavity for enclosing and encapsulating an amount of liquid therein. A plunger in the body is movable in fluid displacing relation to the cavity for providing an accurate elastic displacement of the enclosing end plates which elastic displacement or movement is accurately repeatable by rotating an actuator rod which engages the plunger for varying the fluid displacing relationship to the interior of the cavity. An initial static pressure is formed within the cavity for pre-stressing the components and providing for no-backlash adjustment. Locating pads are formed exteriorly of the flexible walls defining an accurate stop position.

REFERENCES:
patent: 1120717 (1914-12-01), Hogan
patent: 4495886 (1985-01-01), Phelps
patent: 4860542 (1989-08-01), Hatayama
patent: 5155997 (1992-10-01), McGushion
patent: 5201178 (1993-04-01), Roseman

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