Expansible chamber devices – Sealed opening in longitudinal wall of chamber for receiving...
Patent
1988-01-26
1989-06-13
Garrett, Robert E.
Expansible chamber devices
Sealed opening in longitudinal wall of chamber for receiving...
92 89, 92 90, 92 85R, F01B 2900
Patent
active
048381470
ABSTRACT:
A pressure fluid actuator having an elongated tubular chamber, a slot extending longitudinally along the wall of the chamber, a flexible hose member within the chamber and an improved reciprocally movable bracket having an upper portion extended through said slot and connected to a workpiece, which is slidable along the exterior of said chamber, and a lower portion having a rotatably mounted shaft with a pair of rollers for engagement with said flexible hose member to create a reciprocal movement of the bracket.
REFERENCES:
patent: 4724744 (1988-02-01), Rosengren
Denion Thomas
Garrett Robert E.
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