Yieldable door body

Details Yieldable door body Yieldable door body

1972-03-02

1976-09-14

Purser, Ernest R.

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Fabric or lattice; e.g., indeterminate grating

160354, 49501, E04C 200, E06B 300

Patent

active

039798720

ABSTRACT:
A door body formed largely of yieldable material has two panels spaced apart with a hollow separator between them that is rectangular in cross section and has two pairs of oppositely disposed sides and two dividers therein at right angles to each other that thereby provide four enclosed openings. This construction holds the paneled portion of the door body firm, especially at the outer edges, yet is flexible enough to permit some distortion when the door is forcibly opened as by striking it vigorously with a moving truck.

REFERENCES:
patent: 2619167 (1952-11-01), Eckel
patent: 2815808 (1957-12-01), Eckel
patent: 3146826 (1964-09-01), Eckel
patent: 3520084 (1970-07-01), Gigante
patent: 3521528 (1970-07-01), Wangerow
patent: 3579724 (1971-05-01), Toth

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