Door assembly

Details Door assembly Door assembly

2005-09-13

2005-09-13

Purol, David (Department: 3634)

Flexible or portable closure, partition, or panel

Plural and/or with rigid closure

Diverse types

C049S065000, C292SDIG002

Reexamination Certificate

active

06941997

ABSTRACT:
A door assembly includes a barrier door that is hingedly rotatable about an axis of rotation. The door assembly further includes an environmental door that is hingedly rotatable about the axis of rotation. The barrier door and the environmental door can be rotated independently or in unison from opened positions to closed positions. The barrier door has a handle and the environmental door has a hole through which the handle can pass so that the barrier door handle can be accessed through the environmental door. The environmental door also has a cover for selectively closing the handle hole.

REFERENCES:
patent: 1100564 (1914-06-01), Heryford
patent: 1859974 (1932-05-01), Kroenke
patent: 2381666 (1945-08-01), Hinton et al.
patent: 2537896 (1951-01-01), Hinton et al.
patent: 2604156 (1952-07-01), Niels
patent: 2975830 (1961-03-01), McDonald
patent: 3722237 (1973-03-01), Taylor
patent: 4302907 (1981-12-01), Canals et al.
patent: 6109328 (2000-08-01), Montana et al.

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