Overhead door

Details Overhead door Overhead door

1989-11-22

1991-03-26

Purol, David M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Movably interconnected

160201, 160232, E05D 1510

Patent

active

050021141

ABSTRACT:
An overhead door having a number of panels secured together by hinges, in which the insertion of a finger into a gap between the consecutive panels is prevented. Facing edges of ajdacent panels have areas that curve around an axis of the hinges to eliminate the occurrence of a gap as wide as a finger at any angle between the panels. Shoulder areas engage each other when the door is in the closed state, and they are located in the vicinity of the interior surface of the door and outside the curved edge areas that extend from the outer surface of the door. To facilitate manufacture of panels that will ensure that the door is tight, well supported, and precisely positioned when in the closed state, there is a section in the area of the gap between the facing edges of adjacent panels as viewed from the outer surface and toward the interior surface of the door. The gap distance is interrupted and the panels rest one on top of another when the door is in the closed state.

REFERENCES:
patent: 2134397 (1938-10-01), Clark
patent: 2871932 (1959-02-01), Stroup
patent: 3198242 (1965-08-01), Crosswell
patent: 3347305 (1967-10-01), Urbanick
patent: 3941180 (1976-03-01), Thill
patent: 4893666 (1990-01-01), Hormann

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