E - Fixed Constructions – 05 – C
Patent
E - Fixed Constructions
05
C
E05C 1/08 (2006.01) E05B 63/06 (2006.01)
Patent
CA 2081653
A door latch having an adjustable backset position which allows it to be used in doors having either a 2 3/8" backset or a 2 3/4" backset. The latch includes a latch housing having a pair of aligned openings comprising two longitudinally spaced apart openings in communication with each other via a relatively narrow passageway. A cam is movable between the two openings through the passageway to adjust the backset. The cam cooperates with a retract slide which is engaged at its front end with the latch bolt to retract the latch bolt. The retract slide contains two sets of teeth at its back end, one set of teeth being engaged by the cam when it is in a first backset position and the second set of teeth being engaged by the cam when it is in a second backset position.
Serrure à distance d'entrée réglable pour utilisation sur des portes avec des broches à 2 3/8 ou 2 3/4 po. La serrure comporte un boîtier présentant deux ouvertures alignées, espacées dans l'axe longitudinal et en communication par un passage relativement étroit. Une came placée dans le passage entre les deux ouvertures communicantes commande la distance d'entrée. La came est en coopération avec un coulisseau de rentrée dont l'extrémité avant est reliée au pêne demi-tour et effectue le dégagement du pêne demi-tour. L'extrémité arrière du coulisseau de rentrée est pourvue de deux jeux de dents; la came est en contact avec l'un ou l'autre jeu de dents selon la distance d'entrée sélectionnée.
Newfrey Llc
Smart & Biggar
LandOfFree
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