E - Fixed Constructions – 05 – C
Patent
E - Fixed Constructions
05
C
292/20
E05C 9/02 (2006.01) E05B 65/10 (2006.01)
Patent
CA 1089894
ABSTRACT OF THE INVENTION A panic exit door locking mechanism adapted particularly for mounting on a narrow stile door frame, and which includes top and bottom bolt mechanisms respectively at the upper and lower ends of the tubular frame at the swinging edge of the door, the locking instrumentalities including rotatable lever means being concealed within the tubular stile, and being connected to the bolt mechanisms by concealed rod structures that are length adjustable for doors of different heights. Actuating means for the rotatable lever means comprises a manually operable panic exit actuator device mounted on the inner side of the door and/or a conventional key-controlled rotatable cam lever means having a lost motion relation with the rotatable lever means. The bottom bolt mechanism has a conventional reciprocable bolt, while the top bolt mechanism has a fixed bolt mounted on the door header, this bolt being utilized to actuate associated latching means carried by the door to a bolt-latching position when the door is closed, and to a non-latching position when the door is open, movements of the latching means being further utilized to control the operation of associated dogging means so as to dog the latching means with respect to the top bolt, when the door is closed, and to dog the bottom bolt in retracted position when the door is opened.
299041
Adams Rite Manufacturing Co.
Mcfadden Fincham
LandOfFree
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