Tally lock

Details Tally lock Tally lock

E - Fixed Constructions

05

B

70/2

E05B 39/04 (2006.01)

Patent

CA 1076378

ABSTRACT A tally lock has an enclosure frame adapted to be mounted on a door. A lock cylinder is disposed on the frame and carries a lock plug rotatable within the cylinder. At one end of the plug is a flange accessible through an opening in the frame and having a keyway therein into which extends a tab on a driver disc mounted for rotation in a ring on the frame. The driver disc has a flat and acts as a cam against a plate pivoted on the frame and connected by a pivoted link to a counter also mounted on the frame and disposed to display through another opening in the frame.

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