US PATENT SUBCLASS 4 / 691
.~.~.~.~ Lever

Current as of: June, 1999
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4 /   HD   BATHS, CLOSETS, SINKS, AND SPITTOONS

679  DF  DRAIN, OVERFLOW OR TRAP FOR A SINK OR BATH {3}
688  DF  .~ Drain valve {2}
689  DF  .~.~ Pop-up {1}
690  DF  .~.~.~ Contacted by rotating member {1}
691.~.~.~.~ Lever {1}
692  DF  .~.~.~.~.~> Having at least a semi-spherical fulcrum

DEFINITION

Classification: 4/691

Lever:

(under subclass 690) Subject matter wherein the plug is actuated by a rotatable member having a fulcrum offset and rotating axis perpendicular to the plug's axis of movement; one end touching the plug and moving along or parallel to its axis; and the other end regulated by an actuating mechanism to control the flow of fluid.

(1) Note. Also included is a bell crank which is a lever having its fulcrum at the apex of the angle formed by its two arms.

SEE OR SEARCH THIS CLASS, SUBCLASS:

686, for a plug actuated by a lever combined with an overflow.