Extensible piston with breakable or displaceable coupler

Details Extensible piston with breakable or displaceable coupler Extensible piston with breakable or displaceable coupler

1984-02-09

1986-02-18

Maslousky, Paul E.

Expansible chamber devices

Mutually relatively movable cylinder or sleeve, member...

Cylinder or sleeve forms working member

92169, 188 718, 188 724, 188196A, 188351, 188370, F01B 720

Patent

active

045705313

ABSTRACT:
A fluid pressure actuated piston (78) is slidably carried in a fluid pressure actuated cylinder (50) which, in turn, is slidably carried in a fixed carrier or casing (21). Movement of the cylinder (50) is resisted by a breakable or displaceable coupler (90, 94, 184, 185) which engages the cylinder (50). Fluid pressure acting upon the cylinder (50) and piston (78) causes the coupler (90, 94, 184, 185) to break or be displaced and release the cylinder (50) for axial movement in the direction of movement of the pressure responsive piston (78).

REFERENCES:
patent: 3915063 (1975-10-01), Ditlinger
patent: 4006669 (1977-02-01), Price
patent: 4075929 (1978-02-01), Peterson
patent: 4195174 (1980-04-01), Massing
patent: 4208952 (1980-06-01), Ditlinger
patent: 4249458 (1981-02-01), Massing
patent: 4457212 (1984-07-01), Unger et al.

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