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Class Information
Number: 160/321
Name: Flexible or portable closure, partition, or panel > Roll type > With rotating means > Strand > Endless
Description: Roll type devices in which the operating strand is endless. Includes sprocket chains.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7549458 |
Automatic movement ascent device gear of roll screen |
Jun. 23, 2009 |
| 7523777 |
Roman shade |
Apr. 28, 2009 |
| 7497242 |
Window curtain pulling device |
Mar. 3, 2009 |
| 7451799 |
Self-locking device for blinds and shutters |
Nov. 18, 2008 |
| 7387150 |
Shade roller capable of bearing heavy load |
Jun. 17, 2008 |
| 7353857 |
Chain stopper |
Apr. 8, 2008 |
| 7337825 |
System to open and close drapes |
Mar. 4, 2008 |
| 7195052 |
Cord-driven rotator for driving roller of window blind |
Mar. 27, 2007 |
| 7137429 |
Modular framed covering for architectural openings |
Nov. 21, 2006 |
| 7100668 |
Control units |
Sep. 5, 2006 |
| 6983784 |
Control system for a vertical vane covering for architectural openings |
Jan. 10, 2006 |
| 6981539 |
Hardware and clutch mechanism for window treatment |
Jan. 3, 2006 |
| 6971435 |
Raising and lowering mechanism, in particular for roller blinds |
Dec. 6, 2005 |
| 6955208 |
Sunshade operating rope with an operating directional indicator |
Oct. 18, 2005 |
| 6935401 |
Universal brackets for roller shade |
Aug. 30, 2005 |
| 6843302 |
Shade operator |
Jan. 18, 2005 |
| 6792999 |
Tab release cord tension device |
Sep. 21, 2004 |
| 6782938 |
Control and suspension system for a covering for architectural openings |
Aug. 31, 2004 |
| 6749000 |
Safety device for cord-operated control system |
Jun. 15, 2004 |
| 6739373 |
Lift control device for a roller shade |
May. 25, 2004 |
| 6540004 |
Fixing seat structure of rolling curtain |
Apr. 1, 2003 |
| 6505668 |
Roller curtain with back rolling force |
Jan. 14, 2003 |
| 6289964 |
Control and suspension system for a covering for architectural openings |
Sep. 18, 2001 |
| 6250359 |
Beaded chain for blinds |
Jun. 26, 2001 |
| 6173825 |
Lift control device for a roller shade |
Jan. 16, 2001 |
| 6164428 |
Wrap spring shade operator |
Dec. 26, 2000 |
| 6116325 |
Break away operating cord system for retractable coverings for architectural openings |
Sep. 12, 2000 |
| 6085824 |
Control cord end security device |
Jul. 11, 2000 |
| 6048285 |
Bearing structure for vertical blinds and rollers shades |
Apr. 11, 2000 |
| 6032716 |
Bottom stop mechanism for a window covering |
Mar. 7, 2000 |
| 6029735 |
Clutch mechanism for manual roller door operation |
Feb. 29, 2000 |
| 5975186 |
Roller blinds mountings |
Nov. 2, 1999 |
| 5927370 |
Release brake shade operator |
Jul. 27, 1999 |
| 5899254 |
Garage screen |
May. 4, 1999 |
| 5845696 |
Chain and cord safety device for adjustable blinds |
Dec. 8, 1998 |
| 5803148 |
Operating device for a screening arrangement |
Sep. 8, 1998 |
| 5791393 |
Shade operator |
Aug. 11, 1998 |
| 5718277 |
Roller blind |
Feb. 17, 1998 |
| 5669432 |
Automatic-locking mechanical drive construction |
Sep. 23, 1997 |
| 5611386 |
Electric window blind |
Mar. 18, 1997 |
| 5542464 |
Roller blind with screen rolled up by a spring and rolled down by hand |
Aug. 6, 1996 |
| 5507374 |
Clutch controlled roller shade mechanism with integral overrunning ratchet |
Apr. 16, 1996 |
| 5482105 |
Clutch control for roller shades |
Jan. 9, 1996 |
| 5381846 |
Side coiling fabric door |
Jan. 17, 1995 |
| 5375643 |
Spring clutch assembly with reduced radial bearing forces |
Dec. 27, 1994 |
| 5361822 |
Shade operator |
Nov. 8, 1994 |
| 5338086 |
Automobile window shade system |
Aug. 16, 1994 |
| 5232038 |
Drives for wind-up blinds |
Aug. 3, 1993 |
| 5179989 |
Device for transmitting a drive force between a flexible element and a rotatable body |
Jan. 19, 1993 |
| 5167269 |
Roller mechanism for roller blinds |
Dec. 1, 1992 |
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