Emergency release closure

Details Emergency release closure Emergency release closure

1979-12-26

1981-08-18

Kannan, Philip C.

Movable or removable closures

Removable closure

Displaceable sealing or binding strip

49141, E06B 718

Patent

active

042838851

ABSTRACT:
A safety release closure suitable for use in a mass transit vehicle which can be rapidly and efficiently removed either inwardly or outwardly in case of an emergency. The closure includes a removable sash that is mounted within a frame opening and secured in place by means of inside and outside deformable seals disposed between the frame and the inside and outside margins of the sash. The perimeter walls of the opening that face the sash are contoured so that the opening is wider across both edges than it is along the middepth region whereby the sash can be easily removed in both directions without it becoming wedged or otherwise jammed in the frame. Means for stripping the seals on both sides of the sash are provided for as are handle means which enable a person to pull the sash out of the frame after the seal has been removed.

REFERENCES:
patent: 2572124 (1951-10-01), Eichner
patent: 2583978 (1952-01-01), Watter et al.
patent: 3739527 (1973-06-01), Schubach
patent: 3806188 (1974-04-01), Tantlinger
patent: 3807791 (1974-04-01), Boyer
patent: 3927492 (1975-12-01), Carson

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