Roller blind with noiseless flat spiral spring drive

Details Roller blind with noiseless flat spiral spring drive Roller blind with noiseless flat spiral spring drive

2011-01-25

2011-01-25

Mitchell, Katherine (Department: 3634)

Flexible or portable closure, partition, or panel

With mounting, fastening, or supporting means

Automobile windshield weather protector or sunshield

C160S299000, C160S314000

Reexamination Certificate

active

07874343

ABSTRACT:
A spring motor having a pot shaped housing in which a flat spiral spring is housed. The flat spiral spring is connected at one outer end to the pot-shaped housing while the inner end is coupled to a shaft or axle. To prevent radial vibrations of individual spring layers when the spring motor is wound or unwound, a damping plate is housed in the pot-shaped housing and held in pressed engagement with a side edge of the flat spiral spring. This spring motor can be combined with the wind-up shaft of roller-blind arrangements for motor vehicles, including fixed roller blinds, storage-area covers, or separating screens.

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Office Action issued May 7, 2009 in German counterpart application, 102006024538.5.
Office Action issued Jan. 20, 2010 in German counterpart application 102006024538.5-56.

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