Matches 1 - 46 out of 46
Match Document Document Title
6114820 Power window apparatus having safety unit  
A power window apparatus is provided for detecting pinching in accordance with the opened/closed position of the window and a state of rotation of a motor, the apparatus having a position sensor...
5929580 System and related methods for detecting an obstruction in the path of a garage door controlled by an open-loop operator  
An internal entrapment system for a garage door operator (30) includes a motor (48) for transferring a garage door (12) between first and second positions. Also included is a pulse counter (62) for...
5507374 Clutch controlled roller shade mechanism with integral overrunning ratchet  
A bi-directional sprang clutch further including a ratchet and pawl so as to permit substantial torque to be transmitted to the shade roller only in one direction. In the other direction, the...
5375643 Spring clutch assembly with reduced radial bearing forces  
A spring clutch assembly with reduced radial bearing forces is described. The clutch includes a shaft, at least first and second helically wound axially mounted springs for making frictional...
3110343 Window shade cleaner  
2025656 Shade roller  
1968428 Combination safety shade holder and guide  
1923698 Shade safety device  
1912379 Adjustable spring roller shade  
1788021 Roller blind and fittings therefor  
1669255 Curtain roller  
1624053 Shade roller  
1514182 Window-shade roller  
1261390 Title is not available  
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Matches 1 - 46 out of 46