Door securing device

Details Door securing device Door securing device

1997-04-03

1998-03-10

Boucher, Darnell M.

Closure fasteners

Braces

292DIG15, 292142, 292342, 16 82, E05C 1744

Patent

active

057252637

ABSTRACT:
A door securing device including an upper housing member being mounted about a door knob rose. The upper housing member encasing a locking mechanism with a trigger. A lower housing member is mounted to a lower door portion and has a bottom opening. The lower housing member has a rear wall with a pair of sprocket frames projection therefrom. A cable guard with a cable is coupled with the trigger. The cable guard is coupled with the upper housing member and the lower housing member. A door stop mechanism is housed within the lower housing member. The door stop mechanism has a stop wedge with a top side having a track, and a bottom side with a stopper. The door stop mechanism has a first sprocket member and a second sprocket member that rotatably coupled between the pair of sprocket frames. The first member capable of engaging the track. Included is a chain for engaging the first and second sprocket members. The chain is coupled with the cable for allowing the chain to be pulled when the trigger is rotated, and allowing simultaneously rotation of the first and second sprocket, for moving the first sprocket along the track, for movement of the stopper within the bottom opening. Lastly, a pair of guide plates are provided. Each has a fixed guide rod and each is mounted to the stop wedge block. The fixed guide rods is capable of guiding the movement of the stop wedge block about the first sprocket.

REFERENCES:
patent: 453930 (1891-06-01), La Follette
patent: 528049 (1894-10-01), Wertzberger
patent: 534590 (1895-02-01), Wallace
patent: 624941 (1899-05-01), Jensen
patent: 1005849 (1911-10-01), Lange et al.
patent: 1081634 (1913-12-01), Smith
patent: 1661240 (1928-03-01), Trimbach
patent: 4213315 (1980-07-01), Lewis
patent: 4569546 (1986-02-01), Howard et al.
patent: 5346266 (1994-09-01), Bisbing
patent: 5618072 (1997-04-01), Pitchford

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