Patent ID: 6196599
Filing Date: 2001-03-06
Classification: E05B,E05C,Y10T

Abstract:
A latch assembly including a latch handle, a latch bolt, operating means for operating same, and a base plate adapted for mounting on a surface of a door, said base plate retaining said handle and said latch bolt operating means thereon, said operating means including a rotatable member having an axis perpendicular to said surface of the door when mounted thereon, said latch assembly comprising:a unitary member including a central fulcrum for pivotally mounting said handle on a housing, an elongate arm on one side of said fulcrum and actuation/stop means on an opposing side of said fulcrum for directly actuating a means for operating a latch bolt and for preventing over rotation of said handle on its pivotal mounting,said actuation/stop means further including,an actuating foot extending from said fulcrum having a distal end engageable with said operating means;at least one stop portion extending from said fulcrum for engaging said base plate after said actuating foot engages said operating means and defining at least one end of said range of movement of said actuating foot,a latch bolt and cam means for operating said latch bolt,said cam means being positioned for rotational movement in a plane parallel and spatially related to a plane of said latch bolt, said cam means operatively engaging said latch bolt through a connecting shaft having an eccentric centrally positioned thereon, said cam means including a substantially flat body and a foot engaging arm extending normally from said body at a position offset from said connecting shaft.