E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
70/36
E05B 65/02 (2006.01)
Patent
CA 1102148
ABSTRACT OF THE DISCLOSURE A lock mechanism particularly for doors having a narrow stile, wherein a unique arrangement of components provides greater security and facilitates manufacture and installation, as characterized by a heavy pivotally swingable main bolt connected at its inner end to one end of a rocker actuating lever, the end of the lever being provided with a unique escape- ment for the release and control of the movement of the rocker arm by an associated manually rotatable key- actuated cam extension, to move the main bolt between locked and unlocked positions. An important feature of the escapement resides in a unique arrangement of parts which is not critical as to the dimensions of the actuating cam extension, and which readily accom- modate to actuating cams that may vary materially in their dimensions. The escapement also enables a better and more symmetrical resolution of the opera- ting forces in a manner which materially contributes to the obtainment of maximum security. The lock mechanism is also arranged to include an improved latching assembly for mounting in operative association with the main bolt lock mechanism in a manner to provide both locking and latching operations, respec- tively, by means of a locking bolt and a latch member, and wherein the latch member is spring-urged to a latched position and is independently operably by a latch handle, knob or the like to an unlatched posi- tion. The locking bolt is also arranged to be key- actuated in a normal manner, the key being also further operable, in an unlocked position of the locking bolt, to move the latch member to a retracted or unlatched position.
360218
Adams Rite Manufacturing Co.
Mcfadden Fincham
LandOfFree
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