Folding door structure

Details Folding door structure Folding door structure

1989-06-06

1991-11-19

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

160199, E05D 1526

Patent

active

050658077

ABSTRACT:
A folding door structure having a folding door, formed by a pair of pivotally coupled door sections, has upper and lower guide rails defining roller support surfaces. An upper guide body supports rollers which are guided along the roller support surfaces of the upper guide rail and a lower guide body has a shaft supporting further rollers which bear against the roller support surfaces of the lower guide rail. The shaft is spring biassed upwardly enabling relative displacement of the rollers and the lower guide body.

REFERENCES:
patent: 1612443 (1926-12-01), Johnson et al.
patent: 3102581 (1963-09-01), Kochanowski
patent: 3277951 (1966-10-01), Levicke
patent: 3287759 (1966-11-01), Foltz
patent: 3302691 (1967-02-01), Andrews et al.

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