Closure fasteners – Extension link
Patent
1976-10-27
1977-08-16
Moore, Richard E.
Closure fasteners
Extension link
70 93, E05C 1706
Patent
active
040422658
ABSTRACT:
An elongated wedge member is pivotally supported at its minor dimension end on the free swinging edge of a door for swinging relative to the door about an axis generally paralleling the axis about which the door may be swung and for movement of the wedge member between first and second active and inactive positions with the wedge projecting outwardly of the inner side of the door and swung toward the hinged edge of the door overlying the inner side thereof, respectively. In addition, an elongated tapered and open-sided channel member is provided and has its minor dimension end pivotally supported from the jamb of the aforementioned door for swinging about an axis generally paralleling the pivot axis of the door and movement between first and second active and inactive positions with the channel member projecting outwardly of the inner side of the jamb and swung away from the door overlying the inner side of the jamb. The wedge and channel member are registrable with each other when the door is in the closed position and the wedge and channel member are in their active positions and the wedge is swingable into the channel member through the open side thereof. Further, the wedge is seatingly engageable in the channel member upon movement of the door toward an open position and the longitudinal shifting of the wedge within the channel member toward the minor dimension end thereof. The position of the free swinging edge of the door relative to the associated jamb when the wedge is seated in the channel member is such that the free swinging edge of the door is swung slightly from the jamb to define a narrow slot through which a person disposed on the inner side of the door may view the area to the exterior side of the door.
REFERENCES:
patent: 1877263 (1932-09-01), Beauchamp
patent: 1919780 (1933-07-01), Fairbank
patent: 3989291 (1976-11-01), Hucknall
Jacobson Harvey B.
Moore Richard E.
O#Brien Clarence A.
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