Ratcheting latch mechanism for a vertical rod door exit device

Details Ratcheting latch mechanism for a vertical rod door exit device Ratcheting latch mechanism for a vertical rod door exit device

E - Fixed Constructions

05

B

E05B 65/10 (2006.01) E05B 63/20 (2006.01)

Patent

CA 2123171

A ratcheting latch mechanism for ioolding the vertical rods of a door exit device in the retracted position includes a chassis and a latch rod, with a plurality of ratchet notches formed therein, slidingly held by the chassis for motion between an extended and a retracted position. One end of the latch rod engages a socket in the door frame, the other is connected to a vertical rod extending from the exit device. A pawl is mounted on a release mechanism and engages the ratchet notches whenever the door is open to prevent the latch rod from moving back towards the extended position and damaging flooring or ceiling material.

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