Movable or removable closures – Mounted for multidirectional or oblique movement – Swings on plural axes; e.g. – pivotal link arms
Patent
1988-06-23
1989-05-16
Dorner, Kenneth J.
Movable or removable closures
Mounted for multidirectional or oblique movement
Swings on plural axes; e.g., pivotal link arms
49386, E05D 1528
Patent
active
048297127
ABSTRACT:
This invention relates to a novel door apparatus of the type wherein one door rotates while moving horizontally to the righ or left when opened, and finally approaches to the sidewall of an entrance and becomes in parallel therewith. The door apparatus of the invention is particularly suitable for the handicapped or those who use a wheelchair and who have difficulty in passing smoothly through doors in general.
REFERENCES:
patent: 2019527 (1935-11-01), Ellison
patent: 3456388 (1969-07-01), Hanson et al.
Anderson Gerald A.
Dorner Kenneth J.
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