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Class Information
Number: 185/39
Name: Motors: spring, weight, or animal powered > Spring > With winding means
Description: Spring motors having special devices for winding the springs.










Sub-classes under this class:

Class Number Class Name Patents
185/44 With indicating means 5
185/40R With motor 92
185/43 With overwinding preventer 19


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8689942 Energy storage and release system Apr. 8, 2014
8567567 Winding tool for torsion spring for sectional garage door Oct. 29, 2013
8464838 System and method for generating mechanical movement Jun. 18, 2013
8251183 Electricity generating device by applying vehicle weight Aug. 28, 2012
8181545 Actuator with integrated drive mechanism May. 22, 2012
8132651 Mechanical motor for toy planes Mar. 13, 2012
8083032 Power source device Dec. 27, 2011
7866367 Control device for slat blinds Jan. 11, 2011
7464627 Passive entry actuator Dec. 16, 2008
7310844 Toothbrush with manual powered movable brush head Dec. 25, 2007
7234710 Spring powered vehicle Jun. 26, 2007
7140341 Energy storing starter assembly Nov. 28, 2006
7066301 Linear actuator having manual override and locking mechanism Jun. 27, 2006
6935987 Control methodology for inertial energy storage devices Aug. 30, 2005
6896104 Flat spool elastic motor having time-averaged constant torque output May. 24, 2005
6880677 Elastic energy storage device Apr. 19, 2005
6869384 Exercising bicycle Mar. 22, 2005
6834633 Spring release starter for chain saw Dec. 28, 2004
6820880 Spring powered wheelbarrow Nov. 23, 2004
6782863 Spring release starter Aug. 31, 2004
6725976 Manual override and locking mechanism and actuator including same Apr. 27, 2004
6638132 Rubber band driving device for two-propeller model plane Oct. 28, 2003
6612402 Elastic motor with constant torque output Sep. 2, 2003
6488122 Apparatus for generating rotative force using spring Dec. 3, 2002
6422348 Transmission wheel, method for manufacturing transmission wheel and self-winding wheel train structure having transmission wheel Jul. 23, 2002
6354649 Monitor installed in dash panel of automobile and its usage Mar. 12, 2002
6293329 Coil spring drive system and window cover Sep. 25, 2001
6283192 Flat spring drive system and window cover Sep. 4, 2001
6230582 Crank for adjusting awning roller spring force May. 15, 2001
6199664 Spring motor for generating constant torque Mar. 13, 2001
6199439 Simple device producing both action effect and electronic effect Mar. 13, 2001
6149094 Spring motor Nov. 21, 2000
6120411 Control methodology for inertial energy storage devices Sep. 19, 2000
6035970 Lever-actuated bicycle energy storage assembly Mar. 14, 2000
5909784 Spring motor Jun. 8, 1999
5809697 Door closer Sep. 22, 1998
5775619 Roller for winding and unwinding a protective cover equipping a machine tool or the like Jul. 7, 1998
5701785 Driving structure of the external rotary disk of the crystal ball Dec. 30, 1997
5676222 Device for generating a rotary return force Oct. 14, 1997
5641229 Sample rotator with manually energized spring motor Jun. 24, 1997
5638922 Pull-back windup type spring drive unit Jun. 17, 1997
5482100 Cordless, balanced venetian blind or shade with consistent variable force spring motor Jan. 9, 1996
5398780 Linear actuator with speed controlling brake Mar. 21, 1995
5390763 Winding mechanism for rubber band motor Feb. 21, 1995
5386884 Spring assemblies Feb. 7, 1995
5339923 Rotating mechanism for a crystal ball Aug. 23, 1994
5310375 Small decoration equipped with spring-operated movable decorative element May. 10, 1994
5243735 Regenerative feedback door control device with one-way clutch Sep. 14, 1993
5213181 Winder assembly having a spindle May. 25, 1993
5213183 Control device for a valve with a spiral spring May. 25, 1993

1 2 3










 
 
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