Patent ID: 6663147
Filing Date: 2003-12-16
Classification: E05C,Y10T

Abstract:
A lock, comprising, within a box-like supporting body and associated with actuation means which are available to the action of any of a user and of other devices, two first lateral locking beaks having free tips shaped so as to form mutually opposite claws lying on a plane of a closure and opening movement, said lock further comprising:a third central beak, which is kinematically connected and coordinated with respect to the two first beaks; at least one locking element, provided at a free tip of said third beak, said three beaks defining, in association with said actuation means, at least two stable working positions: a first open position, in which said two first beaks and said third beak lie completely within said box-like supporting body, and a second closed position, in which said two first beaks and sad third beak protrude from said box-like supporting body with said free tips thereof so as to lock components with which the beaks are associated, said third beak acting as a bolt; and two first mutually opposite tabs formed on the contour of said third beak, said first tabs providing a corresponding number of stoke limit abutment surfaces for said two first beaks both during closure and during opening.