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Class Information
Number: 242/373
Name: Winding, tensioning, or guiding > Reeling device > With spring motor > Spring exhibits special torque characteristic
Description: Subject matter in which particular significance is attributed to the nature of the spring providing the spring motor with either, (a) a predetermined variable torque, or (b) constant torque over a selected operating range.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7364109 |
Cable reel |
Apr. 29, 2008 |
| 7344102 |
Method and apparatus for variable tension cord recoil and tethered user interface |
Mar. 18, 2008 |
| 7135972 |
Anti-theft device particularly for point of sale displays |
Nov. 14, 2006 |
| 6957683 |
Spring drive system and window cover |
Oct. 25, 2005 |
| 6742626 |
Elastic motor having time-averaged constant torque output |
Jun. 1, 2004 |
| 6648050 |
Spring drive system and window cover |
Nov. 18, 2003 |
| 6612402 |
Elastic motor with constant torque output |
Sep. 2, 2003 |
| 6609275 |
Strap tightener with an auto-pulling device |
Aug. 26, 2003 |
| RE38211 |
Uni-directional cord take-up device |
Aug. 12, 2003 |
| 6502777 |
Wire-winding box capable of unidirectionally winding wire |
Jan. 7, 2003 |
| 6439490 |
Wire reeler |
Aug. 27, 2002 |
| 6419175 |
Retractor having a swivel attachment component |
Jul. 16, 2002 |
| 6318661 |
Spring motor |
Nov. 20, 2001 |
| 6289965 |
Take-up drum for a cordless shade counterbalance |
Sep. 18, 2001 |
| 6149094 |
Spring motor |
Nov. 21, 2000 |
| 6019304 |
Retractable reel with channeled ratchet mechanism |
Feb. 1, 2000 |
| 5893528 |
Tubing retracting system |
Apr. 13, 1999 |
| 5832752 |
Portable cable lock |
Nov. 10, 1998 |
| 5797558 |
Uni-directional cord take-up device |
Aug. 25, 1998 |
| 5186406 |
Spring actuated take-up reel for removing cable slack |
Feb. 16, 1993 |
| 5104056 |
Motor assembly |
Apr. 14, 1992 |
| 5060883 |
Seat belt retractor |
Oct. 29, 1991 |
| 4989804 |
Belt retractor for safety-belt restraining systems in motor vehicles |
Feb. 5, 1991 |
| 4813627 |
Rewindable hose reel |
Mar. 21, 1989 |
| 4728141 |
Automotive rear shelf structure |
Mar. 1, 1988 |
| 4719992 |
B-motor with floating locking plug |
Jan. 19, 1988 |
| 4527334 |
Power return tape |
Jul. 9, 1985 |
| 4499341 |
Extensible electrical cable assembly |
Feb. 12, 1985 |
| 4429840 |
Winding spring especially for seat belt retractor |
Feb. 7, 1984 |
| 4427163 |
Dual-spool retractor for seat belts |
Jan. 24, 1984 |
| 4389228 |
Constant tensioning device |
Jun. 21, 1983 |
| 4382563 |
Seat belt winding and retracting apparatus |
May. 10, 1983 |
| 4317421 |
Mooring line handling apparatus |
Mar. 2, 1982 |
| 4253620 |
Winding spring for seat belt winding apparatus |
Mar. 3, 1981 |
| 4091318 |
Charger/converter console with reel arrangement |
May. 23, 1978 |
| 4084764 |
Device for winding up a belt or web |
Apr. 18, 1978 |
| 4081153 |
Safety belt tensioning and rewinding retractor |
Mar. 28, 1978 |
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