Guard to prevent opening of sliding doors

Details Guard to prevent opening of sliding doors Guard to prevent opening of sliding doors

1975-08-25

1976-11-23

Moore, Richard E.

Closure fasteners

Extension link

Multiple

292288, 292DIG46, E05C 1734

Patent

active

039933369

ABSTRACT:
A guard to prevent unauthorized opening of sliding doors and similar closures, comprising a longitudinal member having a major portion and a minor portion hinged together end-to-end. The guard when fully extended, is positioned normal to the direction of opening of the door, and extends between the jamb and the edge of the door and preferably resting on the floor. When the door is to be partially opened for ventilation, the minor portion is hinged 180.degree. so as to overlap the major portion. The resultant shortened guard then permits the door to be opened only an amount equal to the length of the minor portion.

REFERENCES:
patent: 3181905 (1965-05-01), Bisbing
patent: 3486781 (1969-12-01), Crum
patent: 3554592 (1971-01-01), Katz

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