US PATENT SUBCLASS 60 / 383
.~.~ Automatic or cyclic means provided plural distinct motor speeds in cycle

Current as of: June, 1999
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60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
369  DF  .~ Cyclically operable reciprocating or oscillating motor or output stroke device {11}
383.~.~ Automatic or cyclic means provided plural distinct motor speeds in cycle

DEFINITION

Classification: 60/383

(under subclass 369) Apparatus having means either in the form of pump control means, motive fluid flow control means to the motor, motor exhaust control or other means to cause the output speed of the motor to be varied during its normal cyclic operation.

(1) Note. Means provided to cause a reciprocating motor to gradually decelerate and/or accelerate at the end of the stroke are included in this subclass.