E - Fixed Constructions
05
B
70/1
E05B 39/00 (2006.01) E05B 47/00 (2006.01)
Patent
CA 1241849
ABSTRACT A key is retained in a lock by a ball which, during insertion of and withdrawal of the key, can move radially of lock axis out of the way of a projection on the key. Once the key is turned from the key-insertion position, the ball is held in a position in front of the projection on the key so that withdrawal of the key is obstructed.
539731
Lowe & Fletcher Limited
Ridout & Maybee Llp
LandOfFree
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