US PATENT SUBCLASS 248 / 655
.~.~.~ Acting against spring bias

Current as of: June, 1999
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248 /   HD   SUPPORTS

637  DF  MACHINERY SUPPORT {15}
646  DF  .~ Movable machine {10}
651  DF  .~.~ Including operator or actuator {3}
655.~.~.~ Acting against spring bias

DEFINITION

Classification: 248/655

Acting against spring bias:

(under subclass 651) Structure comprising a spring which opposes the action of the operator means.