Door which can be rolled up

Details Door which can be rolled up Door which can be rolled up

1987-01-08

1987-09-01

Britts, Ramon S.

Flexible or portable closure, partition, or panel

Roll type

With fabric free edge connected operator

160271, 160133, A47G 502

Patent

active

046901949

ABSTRACT:
A sliding door, which includes a winding tube, which is mounted on a winding shaft for winding up and unwinding a hanging door for opening and closing-off an opening, and a take-up and tensioning mechanism which is disposed between the free end of the hanging door and the winding shaft and which has traction members which are guided about guide pulleys. The take-up and tensioning mechanism for the hanging door includes take-up or tensioning pulleys, which are freely rotatably mounted on the winding shaft on both sides of the winding tube, and pretensioned leg springs which are disposed between the pulleys and the winding shaft.

REFERENCES:
patent: 1828623 (1931-10-01), Sacerdote
patent: 3180401 (1965-04-01), Gambon et al.
patent: 3460602 (1969-08-01), Hugus
patent: 3878879 (1975-04-01), Manns

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