Device for controlling the operation of a roll-up cloth curtain

Details Device for controlling the operation of a roll-up cloth curtain Device for controlling the operation of a roll-up cloth curtain

1991-01-22

1992-03-03

Purol, David M.

Flexible or portable closure, partition, or panel

Roll type

With rotating means

1603231, A47H 100

Patent

active

050923897

ABSTRACT:
In a device for controlling a roll-up curtain roller for a curtain to be placed in an opening, a pulley is linked to the curtain roller and has a race forming a lock slot for a driving rope, and a plate supports the pulley and is available for fastening the device to an end of a box in which the roller with the curtain thereon is housed. A guide has a center hole through which passes a grooved cylinder of the pulley, and is mounted on the pulley along the race in an intermediate position between the plate and the box. The guide is provided, on opposite sides, with a first and a second pair of slits through the rope can come out of either one or both of the pair of slits so that the device can be operated from either one or both sides of the opening in which the curtain is placed.

REFERENCES:
patent: 3854517 (1974-12-01), Nakamura
patent: 4139044 (1979-02-01), Brolin
patent: 4448233 (1984-05-01), Rombouts
patent: 4834164 (1989-05-01), Tuhey
patent: 4884618 (1989-12-01), Steeves

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