Roller blind with a centrifugal-mass brake located outside the r

Details Roller blind with a centrifugal-mass brake located outside the r Roller blind with a centrifugal-mass brake located outside the r

1988-04-15

1989-06-13

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Roll type

With brake or stop

160296, 160299, 192 12B, 188184, E06B 9208

Patent

active

048383333

ABSTRACT:
A roller blind comprising a horizontal roller for supporting the blind and mounted for rotation about its own axis, a blind having an upper edge fixed to the roller and a free lower edge, resilient means tending to bias the roller towards a position in which the blind is rolled up, and a centrifugal-mass brake for slowing the rotation of the roller during rolling up of the blind. The centrifugal-mass brake is carried by a fixed support structure outside the roller and the rotor of the brake is connected to the roller through the interposition of step-up wheels and a one-way clutch device adapted to break the connection between the rotor of the brake and the roller when the blind is lowered, the one-way clutch device and the step-up wheels also being carried by the fixed support structure, outside the roller.

REFERENCES:
patent: 1772700 (1930-08-01), Bellerose
patent: 4047441 (1977-09-01), Kellogg
patent: 4147197 (1979-04-01), Bailey et al.
patent: 4158307 (1979-06-01), Schwager
patent: 4513805 (1985-04-01), Mase

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