E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
70/50
E05B 37/16 (2006.01)
Patent
CA 1304592
ABSTRACT KEYLESS LOCK A keyless button lock is described in which a plurality of lock buttons are provided, each button requiring a particular number of presses to attain an open or lock release position. A lock element is also provided which, when actuated, returns all buttons to a locked position. The buttons have more than one release or open position so that master and grand master keying can be provided. The lock may be coupled to a door lock mechanism in a single unit to minimise space and complexity. Embodiments of the invention are described.
536534
Aardee Spring & Lock Company Limited
Duncan Robert
Rogers & Scott
LandOfFree
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