Roller-supported closure having a closure retainer

Details Roller-supported closure having a closure retainer Roller-supported closure having a closure retainer

1979-09-13

1981-08-04

Kannan, Philip C.

Movable or removable closures

With means mounting closure for reciprocation

Slide or guide feature for closure removal

E05D 1300

Patent

active

042814774

ABSTRACT:
A window or door unit comprises an outer frame, a sash or door mounted movably within the outer frame, and a sash or door removal prevention device. The device includes a blocking member supported on a header of the outer frame so as to be angularly movable between its horizontal and vertical positions. The device further includes means carried on the header for releasably retaining the blocking member in the horizontal position, whereby the sash or door can be prevented from being removed from the outer frame. When released from the retaining means, the blocking member pivots by gravity from the horizontal position to the vertical position where it is clearly visible, permitting the sash to be removed from the outer frame.

REFERENCES:
patent: 2699204 (1955-01-01), Davis
patent: 2937416 (1960-05-01), Hiers
patent: 2950756 (1960-08-01), Maloney
patent: 3310914 (1967-03-01), De Klavon
patent: 3650071 (1972-03-01), Tanner
patent: 3714738 (1973-02-01), Koslow et al.
patent: 3854245 (1974-12-01), Anderson
patent: 4054308 (1977-10-01), Prohaska

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