E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
70/54
E05B 15/14 (2006.01) E05B 21/06 (2006.01) E05B 29/00 (2006.01)
Patent
CA 1137770
ABSTRACT A cylinder lock comprising a cylinder housing and therein a turnable cylinder enclosing a plurality of tumbler discs turnable by means of the key of the lock. Between the cylinder housing and the periph- eral edges of the tumbler discs, there is a locking bar locking the cylinder to the cylinder housing. This bar is movable from a position locking the cylinder, in which position it is located partly in a groove in the internal wall of the cylinder housing, to a position releasing the cylinder by entering a channel formed jointly by notches in the peripheral edges of the tumbler discs when the discs are turned to a certain position. The movement of the locking bar is laterally guided by means of guiding discs, at least substan- tially non-rotatably fitted with respect to the cylinder. When the lock mechanism is fully released, the turning force transmitted by the key of the lock, is transmitted from the key to a tumbler disc, therefrom to the locking bar and from the locking bar to the guiding discs and through them to the cylinder.
339486
Martikainen Kaarlo
Piiroinen Paavo
Kirby Eades Gale Baker
Oy Wartsila Ab
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