Overhead door assembly

Details Overhead door assembly Overhead door assembly

1993-04-20

1994-01-11

Purol, David M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

160209, E05F 1500

Patent

active

052772403

ABSTRACT:
An overhead door assembly designed particularly for use with vehicles such as railroad cars is disclosed. The door assembly is made up of an overhead door, vertical guide members for guiding the overhead door in the vertical direction and horizontal guide members for guiding the door in the horizontal direction. A motor is provided for driving the door between an open and a closed position. According to the invention, the door is first guided to a position directly in front of the door opening, but slightly spaced therefrom. The door is then moved horizontally in a plugging movement so as to securely close off the door opening.

REFERENCES:
patent: 2827114 (1958-03-01), Stroup
patent: 3027937 (1962-04-01), Wilson
patent: 3034575 (1962-05-01), Stroup
patent: 3079987 (1963-03-01), Klein
patent: 3331158 (1967-07-01), Frakes
patent: 4095641 (1978-06-01), Olson
patent: 4119133 (1978-10-01), Wolf
patent: 4320793 (1982-03-01), Lindbergh
patent: 4350199 (1982-09-01), Pino
patent: 4811777 (1989-03-01), Chretien
patent: 4880046 (1989-11-01), Gesy
patent: 5056847 (1991-10-01), Stillwell et al.

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