E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 27/00 (2006.01) E05B 9/08 (2006.01) E05B 63/16 (2006.01) E05B 65/00 (2006.01)
Patent
CA 2116180
ABSTRACT A cylindrical lockset having a locking mechanism which normally secures an outside operator in a fixed position so that the outside operator cannot be operated to open an associated door. A key operated cylinder lock associated with the outside operator must be operated to unlock the locking mechanism so that the door can be opened from the outside. When the locking mechanism is in its unlocked condition the outside operator may be operated to open the door but the key remains trapped in the lock. Return of the key to its shed position for removal from the lock returns the locking mechanism to its locked condition thereby locking the outside operator. An inside operator is at all times operable to open the door.
Haq Mohammed A.
Slusarski Ronald S.
Corbin Russwin Inc.
Swabey Ogilvy Renault
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