Security astragal for double door assembly

Details Security astragal for double door assembly Security astragal for double door assembly

1977-12-16

1980-03-25

Moore, Richard E.

Closure fasteners

Bolt guards

E05C 1902

Patent

active

041947762

ABSTRACT:
Disclosed is a security astragal for double door assemblies which includes a gear-toothed rod rotatably mounted in the meeting edge of one of the doors, and a rod-engaging blade mounted on the meeting edge of the other door. Both the rod and the blade preferably extend for the full height of the door. When the doors are swung relative to each other, the blade engages the teeth on the rod and rotates the rod sufficiently to enable the blade to move partly or fully past the rod. When the doors are in closed position, the blade and rod are in gear-like interengagement, making it impossible to insert a coat hanger or other jimmying tool between the two doors for manipulating the latch mechanism on the inside of the doors.

REFERENCES:
patent: 661653 (1900-11-01), Youlten
patent: 3959927 (1976-06-01), Good

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