Continuous reciprocating linear motion device

Motors: expansible chamber type – Cyclically operable – Distributor in piston

Reexamination Certificate

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Details

C091S224000, C091S222000, C073S662000

Reexamination Certificate

active

10907878

ABSTRACT:
A linear fluid piston device not requiring a fluid valve to operate and has operating piston stroke capabilities beyond traditional vibration fluid devices. The linear fluid device features (a) a movable piston means for linear motion, (b) a feature wherein said body provides rotational movement for fluid port alignment and a pressure vessel containing an (c) end cap and (d) cavity sized to guide the movable piston. In the improvement, the moveable piston provides a method for changing the linear direction in the event the total linear piston movement has not completed.

REFERENCES:
patent: 1848844 (1932-03-01), Salmonson
patent: 3678803 (1972-07-01), Schwenzfeier
patent: 4588300 (1986-05-01), Guy
patent: 5044254 (1991-09-01), Miller et al.
patent: 5136926 (1992-08-01), Bies et al.
patent: 5209564 (1993-05-01), Manci et al.
patent: 6044709 (2000-04-01), Briggs et al.

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