US PATENT SUBCLASS 254 / 303
.~.~.~.~.~.~ Fluid operated actuator shifts component


Current as of: June, 1999
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254 /   HD   IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE

264  DF  APPARATUS FOR HAULING OR HOISTING LOAD, INCLUDING DRIVEN DEVICE WHICH CONTACTS AND PULLS ON CABLE {4}
266  DF  .~ Device includes rotatably driven, cable contacting drum {34}
278  DF  .~.~ Plural drums or drum with plural distinct sections {7}
294  DF  .~.~.~ Having common drive source or mechanically interlinked drive trains {10}
295  DF  .~.~.~.~ Including intermeshing gears in drive {7}
299  DF  .~.~.~.~.~ Also including clutch mechanism having coaxial, rotatable, relatively shiftable axially, power transmitting components {4}
303.~.~.~.~.~.~ Fluid operated actuator shifts component


DEFINITION

Classification: 254/303

Fluid operated actuator shifts component:

(under subclass 299) Apparatus in which the rotatable components are shifted into and out of engagement by means operated by fluid power.