Expansible chamber devices – Sealed opening in longitudinal wall of chamber for receiving...
Patent
1987-02-27
1989-03-21
Garrett, Robert E.
Expansible chamber devices
Sealed opening in longitudinal wall of chamber for receiving...
92 9, 91520, F01B 2900
Patent
active
048133418
ABSTRACT:
A pneumatic cylinder having an elongatged cylinder member, a reciprocally movable piston, an elongated slot formed in the cylinder member, a seal for sealing the slot during reciprocal movement of the piston and a transfer means for transferring reciprocal movement of the piston to a workpiece. The above pneumatic cylinder includes a mechanisn for providing pneumatic fluid pressure to a secondary pneumatic unit connected to, and movable with, the piston including a manifold connected with the transfer means and conduit members extending from the pneumatic chambers in the cylinder member for directing pneumatic pressure from such chambers to the transfer means.
REFERENCES:
patent: 2089202 (1937-08-01), Gartin
patent: 2891514 (1959-06-01), Moeller
patent: 3145588 (1964-08-01), King
patent: 4664020 (1987-05-01), Kaiser
Denion Thomas E.
Garrett Robert E.
Tol-O-Matic Inc.
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