Bi-fold door assembly

Details Bi-fold door assembly Bi-fold door assembly

1982-05-03

1984-05-15

Caun, Peter M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

136291, E05D 1526

Patent

active

044482329

ABSTRACT:
A bi-fold door assembly for a building. The door assembly includes an upper door section and a lower door section hinged to one another together with a door track mounted in an upwardly and inwardly inclined position. Additionally, the bottom of the lower door section cooperates with the door track for guided raising and lowering movement of the bi-fold door. The door assembly may also include an automatic opener operatively associated with the upper and lower door sections. When provided, the automatic opener may include a battery powered electrical motor together with a battery operatively associated with a solar panel for recharging thereof.

REFERENCES:
patent: 1782203 (1930-11-01), Hanley
patent: 2041410 (1936-05-01), Goodman
patent: 2155116 (1939-04-01), Cox
patent: 2327316 (1943-08-01), Michelman
patent: 2681699 (1954-06-01), Lissaman
patent: 3155147 (1964-11-01), Smith
patent: 3648755 (1972-03-01), Thiele
patent: 4026267 (1977-05-01), Coleman
patent: 4261409 (1981-04-01), De Vore

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