Cylinder lock

Details Cylinder lock Cylinder lock

1979-11-06

1982-03-02

Wolfe, Robert L.

Locks

Operating mechanism

Key

70377, E05B 1514, E05B 2904

Patent

active

043173470

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 peripheral 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 substantially 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.

REFERENCES:
patent: 3623345 (1971-11-01), Solitanner

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