Roller blinds

Details Roller blinds Roller blinds

1979-04-18

1981-04-21

Caun, Peter M.

Flexible or portable closure, partition, or panel

Roll type

Shiftable position roll

160319, E06B 920, A47H 100

Patent

active

042627290

ABSTRACT:
A roller blind has a roller with axially projecting trunnions each of which engages in an elongated slot in a respective end bracket mounting the blind on a supporting structure such as a window frame. One trunnion carries a keyed pulley upon which to wind a cord for operating the blind. To guide the cord there is provided a sleeve which surrounds the pulley in freely relatively rotatable manner and which has a radial opening through which the cord is fed onto, and from, the pulley. The improvement is that the sleeve is enabled to follow movement of the roller and pulley towards and away from the supporting structure but nevertheless remain secured against rotation. In a preferred form, the sleeve is secured for such purpose by a sheath, for the cord, attached at one end to the sleeve and at the other end to the supporting structure.

REFERENCES:
patent: 1595234 (1926-08-01), Kuyper
patent: 1809779 (1931-06-01), Fromont
patent: 3779302 (1973-12-01), Akers et al.
patent: 3934832 (1976-01-01), Zilver

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