Curtain operating assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 20, 2000
Grant Date -
N/A
app pub date -
Sep 2, 1998
filing date -
Sep 25, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A curtain operating assembly has a track 2 with a pulling band 4 and sliding carriages 7, 9. The assembly is also equipped with an electric motor 11 connected to a drive cogwheel 17 and the pulling band. A clutch mechanism allows manual movement of the curtain 8. The drive shaft 33 of the electric motor has an attached claw 22 that may be moved in an axial direction in and out of the drive cogwheel during each rotational direction change of the drive shaft, to thereby engage or disengage the drive shaft.
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