Latch bolt operating device with lever handles and improved priv

Details Latch bolt operating device with lever handles and improved priv Latch bolt operating device with lever handles and improved priv

1991-07-26

1992-01-28

Moore, Richard E.

Closure fasteners

Latch-spindle catches

292150, 292DIG26, E05C 116

Patent

active

050838237

ABSTRACT:
A latch bolt operating device incorporating lever handles and rotary plates cooperatively rotatable with the lever handles to control the angle of the rotation of the handles. The device is provided with a simplified privacy lock mechanism to prevent the opening of a door at one side thereof. The lock mechanism is directly mounted to the assembly of the lever handles, thereby eliminating the need of an additional housing to hold the mechanism. One of the rotary plates is provided with a cam face to actuate a lock shaft of the lock mechanism. The lock shaft is telescopic so that the device accommodates door panels of different thickness.

REFERENCES:
patent: 2593573 (1952-04-01), Kalbersch
patent: 2721092 (1955-10-01), Simmons
patent: 2796272 (1957-06-01), Quinn
patent: 3241872 (1966-03-01), Moore
patent: 4861084 (1989-08-01), Ozagir et al.

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