Greenhouse door assembly

Details Greenhouse door assembly Greenhouse door assembly

1977-09-07

1978-10-17

Downey, Kenneth

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

160190, E05D 1526

Patent

active

041203410

ABSTRACT:
A door assembly suitable for relatively large openings such as greenhouse ends which comprises upper and lower door panels hinged together at the middle of the door with the upper panel hinged to the upper door frame. The door is counter-weighted and can readily be raised and lowered, even under windy conditions.

REFERENCES:
patent: 1451619 (1923-04-01), Latrace
patent: 2523929 (1950-09-01), Taylor
patent: 2936830 (1960-05-01), Mosher
patent: 3289740 (1966-12-01), Heier, Jr.
patent: 4026343 (1977-05-01), James

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