US PATENT SUBCLASS 83 / 437.3
.~.~.~ Hydraulically or pneumatically actuated

Current as of: June, 1999
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83 /   HD   CUTTING

401  DF  WITH MEANS TO CONVEY WORK RELATIVE TO TOOL STATION {18}
437.1  DF  .~ Rectilinear movement only {1}
437.2  DF  .~.~ Tool opposing pusher {5}
437.3.~.~.~ Hydraulically or pneumatically actuated

DEFINITION

Classification: 83/437.3

Hydraulically or pneumatically actuated:

(under subclass 437.2) Device including a motor powered by gas or liquid under pressure to effect movement of the conveyor.