US PATENT SUBCLASS 91 / 277
.~ Adjustable working member reversal position (e.g., stroke control)

Current as of: June, 1999
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91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

218  DF  CYCLICALLY OPERABLE {34}
277.~ Adjustable working member reversal position (e.g., stroke control) {2}
278  DF  .~.~> Selective diverse supply or exhaust paths for distributor motor
279  DF  .~.~> Adjustable lost motion connection

DEFINITION

Classification: 91/277

(under subclass 218) Apparatus in which the distributor or distributor actuating means includes selectively operable means to adjustably cause the working member to reverse at two different extents of movement in one direction.

SEE OR SEARCH THIS CLASS, SUBCLASS:

247+, for adjustable timing control for fluid control events.

284+, for a cyclically operable motor having independent means to adjust a distributor supply or exhaust passage, such means not necessarily changing the length of stroke of the output motor working member.

330+, for independently operable means to move or adjust movement of a distributor.