Door

Details Door Door

1992-07-14

1994-04-12

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Pleating type

Lazy-tong links pivot about axes parallel to panel

160 841R, 160193, E06B 906

Patent

active

053017323

ABSTRACT:
A door, particularly for large doorways, which includes a door leaf suspended from an upper edge of the doorway and including at least one of a continuous sheet or a number of sheets arranged in a single or several layers attached to a series of lateral braces at an equal or common distance from each other in a vertical direction of the doorway. The lateral braces extend at respective ends thereof into a generally vertically extending guide profile, and from an upper edge of the doorway, a hoist is provided which includes lines or belts. Each lateral brace includes an attached hoisting device, with the hoisting devices being connected so as to enable movement of the door in an upward and downward direction.

REFERENCES:
patent: 2339570 (1944-01-01), Jackson
patent: 3429298 (1969-02-01), Thomason
patent: 4194549 (1980-03-01), Lovgren

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