Extensible piston with breakable or displaceable coupler

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

1985-06-06

1986-05-13

Garrett, Robert E.

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Adjustable abutment positioned within working chamber

92 51, 403324, F15B 1524

Patent

active

045878889

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: 3398492 (1968-08-01), Nansel
patent: 3398645 (1968-08-01), Nansel
patent: 3682506 (1972-08-01), Bruyere et al.
patent: 3707303 (1972-12-01), Petri
patent: 4249458 (1981-02-01), Massing

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