Auto-reversible folding door

Details Auto-reversible folding door Auto-reversible folding door

2007-08-21

2007-08-21

Purol, David (Department: 3634)

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

C016S076000

Reexamination Certificate

active

11067918

ABSTRACT:
An auto-reversible folding door includes a sliding rail, a first door panel and a second door panel. The first door panel and the second door panel are pivotally connected, the top of the outer flange of the first door panel is pivotally coupled within the sliding rail, a clamping device located inside a sliding rail can clamp an inserting clasp of the guide pulley at the upper portion of the second door panel, a swivel spring having a first end attached to the sliding rail, a second end linked to the guide pulley of the second door panel. When pulling the second door panel toward the first door panel, the inserting clasp and the clamping device are positioned by the interlock relationship. When pressing the second door panel, the clamping device will release the inserting clasp and the second door panel is pulled back to its original position.

REFERENCES:
patent: 1626764 (1927-05-01), Thorne
patent: 3389741 (1968-06-01), Bean
patent: 3437125 (1969-04-01), Hargrove
patent: 5109911 (1992-05-01), Bockisch
patent: 5186230 (1993-02-01), Ostrander

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