(under subclass 405) Subject matter wherein the motion of a handle is transmitted to the flush valve by a mechanical linkage, a portion of which linkage is positioned externally of the tank.
(1) Note. For purposes of this classification, a handle, an extension thereof, or a flexible connection thereto are not considered portions of a linkage. However, a pivot or a connection between relatively movable elements are considered portions of a linkage, which located exteriorly of the tank, will cause placement in this subclass.
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408+, for linkage external to tank actuated by a seat.