Closure fasteners – Extension link
Patent
1979-11-05
1982-02-09
Moore, Richard E.
Closure fasteners
Extension link
292DIG49, E05D 1304
Patent
active
043147216
ABSTRACT:
A security bar for securely holding in a closed position a horizontally sliding door, such as a so-called patio door, for example, or a horizontally or vertically sliding window. The security bar of the invention consists of a massive metallic or plastic bar member, preferably square or rectangular in cross-section, pivotally supported at one end by means of a bracket from an inoperative position to an operative position wherein the free end of the bar member is supported by a clip with the longitudinal axis of the bar member substantially orthogonal to the rear edge of the frame of the sliding door or window and to a fixed structural surface such as the door or window jamb. Both ends of the bar member are formed with a curvilinear or cylindrical surface providing line engagement with the surfaces held apart by the bar member, such that any load resulting from an attempt to slide open the door or window is applied directly to the bar member in compression and not as a shear force applied through intermediary fastening members such as pivot pins or the like. When in an inoperative position, the bar member is held out of the way by a clip fastened to the same surface as the pivot support bracket.
REFERENCES:
patent: 978004 (1910-12-01), Burton
patent: 2702205 (1955-02-01), Germain
patent: 2703395 (1955-03-01), Long
patent: 3328920 (1967-07-01), Cohen et al.
patent: 3698754 (1972-10-01), Means
patent: 3737186 (1973-06-01), Cheyem
patent: 3805322 (1974-04-01), Serrano
patent: 3821884 (1974-07-01), Walsh
Moore Richard E.
Praet Larry Raymond
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