US PATENT SUBCLASS 81 / 440
.~.~.~ Pivotally or rotatably mounted

Current as of: June, 1999
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81 /   HD   TOOLS

52  DF  WRENCH, SCREWDRIVER, OR DRIVER THEREFOR {27}
436  DF  .~ Having work engaging and force exerting portion inserted into cavity (e.g., allen wrench, screwdriver) {10}
439  DF  .~.~ Including discrete, separately usable inserted portions {1}
440.~.~.~ Pivotally or rotatably mounted

DEFINITION

Classification: 81/440

Pivotally or rotatably mounted:

(under subclass 439) Wrench or screwdriver in which the cavity-engaging and strain-exerting portions are pivotally or rotatably attached for selective movement to or from a use to a nonuse position.