Mounting and brake assembly for roller blind

Details Mounting and brake assembly for roller blind Mounting and brake assembly for roller blind

1976-07-15

1977-08-16

Halvosa, George E. A.

Brakes

Wheel

Transversely movable

160298, 188 80, 188 83, 188262, F16D 4900

Patent

active

040420752

ABSTRACT:
A mounting assembly for a roller blind comprises a housing in which is rotatable a drive wheel by a flexible member such as a chain. A roller blind is connected to a shaft which carries this drive wheel and is, therefore, rotatable with the drive wheel for raising and lowering of the roller blind. A friction-type brake wheel is jointly rotatable with the drive wheel in the housing and has an outer periphery against which radially engage rollers carried on a pair of pincher-type levers whose one ends are pivoted together and whose other ends are interconnected by a screw device so that the force which the rollers exert radially on the friction wheel can be controlled. This force determines the braking effect between the shaft and the housing so that the blind carried by this mounting assembly remains stationary in any set position.

REFERENCES:
patent: 193239 (1877-07-01), Fontayne
patent: 1090546 (1914-03-01), Kudla
patent: 1591371 (1926-07-01), Franz
patent: 1746936 (1930-02-01), Hadden
patent: 1834230 (1931-12-01), Unke
patent: 2708967 (1955-05-01), Suson

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