Vertical lift gate with strip cladding in guideways

Details Vertical lift gate with strip cladding in guideways Vertical lift gate with strip cladding in guideways

1992-11-10

1996-01-16

Purol, David M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Roll type

160189, E06B 908

Patent

active

054840074

ABSTRACT:
A lifting door includes a plurality of slats pivotally connected one to the other for pivotal movement about horizontal axes. Each slat carries at opposite ends a guide. Guide tracks are disposed in a door aperture for guiding the door during opening and closing. The guide tracks above the door aperture extend in a generally inwardly directed spiral configuration whereby, upon opening the door, the slats are guided about the spirally configured guide tracks into an open position without engaging one another.

REFERENCES:
patent: 1665028 (1928-04-01), Halvorsen
patent: 2726911 (1955-12-01), Mason
patent: 3118702 (1964-01-01), Kale et al.
patent: 3357480 (1967-12-01), Matsumoto
patent: 3516469 (1970-06-01), McDonald
patent: 4120340 (1978-10-01), Stascavage et al.
patent: 4947937 (1990-08-01), Searer et al.
patent: 4997022 (1991-03-01), Klein
patent: 5129442 (1992-07-01), Warner
patent: 5141044 (1992-08-01), Hying et al.

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