.~ Alternate control of inlet and exhaust for same chamber at opposite ends of stroke
DEFINITION
Classification: 91/397
(under subclass 392) Apparatus in which the working member has reciprocating motion and wherein at substantially the limit of the stroke in one direction the motive fluid being admitted to a working chamber is controlled in response to working member position and at substantially the limit of the stroke in the opposite direction the motive fluid being exhausted from the same working chamber is controlled in
