Mortise latch and vertical rod exit device

Details Mortise latch and vertical rod exit device Mortise latch and vertical rod exit device

E - Fixed Constructions

05

B

E05B 63/08 (2006.01) E05B 65/10 (2006.01) E05C 7/06 (2006.01)

Patent

CA 2293164

A mortise latch and vertical rod exit device latches at a center point between two doors and at top points between each door and the door frame. Optionally vertical rods may also be used to latch at bottom points between the doors and the floor. The latch includes an active and a passive latch mechanism operated by corresponding operating mechanisms. The mortise latch mechanisms cooperatively interact so that either door may be opened first, and either door may be closed first, without regard to the position of the other door. The active mortise latch mechanism includes a latch bolt and an activation bolt arranged so that one bolt is retracted when the other is extended, except when the doors are being opened or closed, when both bolts are retracted. The active mortise latch mechanism automatically retracts the latch bolt when the doors are not aligned and automatically extends the latch bolt when the doors are aligned. The passive mortise latch mechanism ejects the latch bolt as needed to allow the passive door to be opened first.

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