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Class Information
Number: 267/155
Name: Spring devices > Torsion > Coil
Description: Spring device in which the spring element is in the form of a spirally wound body.










Sub-classes under this class:

Class Number Class Name Patents
267/157 Also compressible or expansible 19
267/156 Volute 59


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8650702 Spring for windshield wiper assemblies Feb. 18, 2014
8596299 Externally mounted mechanical valve shutoff device with timer Dec. 3, 2013
8528706 Motor with braking mechansim for actuator Sep. 10, 2013
8419573 Bicycle rear derailleur Apr. 16, 2013
8210230 Winding shaft for a roller blind device Jul. 3, 2012
8186489 Pull arrangement with reversing tension spring May. 29, 2012
8167284 Hook structure for spiral spring May. 1, 2012
8152147 Torsion spring assembly and portable electronic device with torsion spring assembly Apr. 10, 2012
8056656 Anti-torque system for a traction assembly Nov. 15, 2011
7785716 Insert-molded article, insert mold and insert molding method Aug. 31, 2010
7766311 Wireform locking device Aug. 3, 2010
7691017 Hydraulic tensioner Apr. 6, 2010
7606511 Opening and closing mechanism of an image forming device Oct. 20, 2009
7128191 Actuator assembly Oct. 31, 2006
7093577 Recoil starter Aug. 22, 2006
7048271 Sheet separator for an automatic document feeder May. 23, 2006
6986508 Spring holding cone for holding a spring end of a spiral torsion spring Jan. 17, 2006
6931691 Wiper spring Aug. 23, 2005
6857631 Printer sheet feeding path idler rollers biased mounting system Feb. 22, 2005
6823972 Spring clutch Nov. 30, 2004
6763915 Mainspring mechanism and device having the same Jul. 20, 2004
6709056 Preloaded spring arrangement, in particular for spring loading office chair synchronizing mechanisms Mar. 23, 2004
6647960 Torsion spring assembly for electronic throttle Nov. 18, 2003
6631954 Vehicle seat including a pivoting back urged forwards by a torsion bar Oct. 14, 2003
6619638 Supplementary torsion spring assembly Sep. 16, 2003
6615897 Apparatus for winding a spring Sep. 9, 2003
6575531 Reclining chair with adjustment telescopic tube Jun. 10, 2003
6553623 Automatic pivot door opener Apr. 29, 2003
6527264 Torsion spring for counter balancing weights particularly in sectional doors Mar. 4, 2003
6508461 Method and apparatus for spring tensioning Jan. 21, 2003
6485006 Plug with safety means for use with counterbalancing systems of garage doors and the like Nov. 26, 2002
6450062 Friction damper and pedal device for vehicle having the friction damper Sep. 17, 2002
6240801 Friction damper and pedal device for vehicle having the friction damper Jun. 5, 2001
6220586 Multiple torsion spring and methods of use Apr. 24, 2001
6112712 Motorcycle cam drive tensioner Sep. 5, 2000
6056280 Auto-loading lift spring for an electronic device May. 2, 2000
6032760 Bi-directional spring holder assembly for an actuator Mar. 7, 2000
6015142 Spring module for return-to-normal actuator Jan. 18, 2000
5926935 Method of and apparatus for incorporating torsion spring Jul. 27, 1999
5803812 Flexible shaft structure for transmitting high torque Sep. 8, 1998
5799931 Coil spring for overrunning spring clutches Sep. 1, 1998
5799760 Energy absorbing device Sep. 1, 1998
5711568 Retractable cargo cover Jan. 27, 1998
5695176 Torsional vibration damper Dec. 9, 1997
5671636 Method and apparatus for preventing circumferential separation between two gears of a gear train Sep. 30, 1997
5642875 Coil spring with flattened convolutions Jul. 1, 1997
5630574 Torque shock absorber device May. 20, 1997
5595275 Torsion spring assembly for an automatically adjusting friction torque device Jan. 21, 1997
5562275 Radially and longitudinally indeformable flexible spindle Oct. 8, 1996
5558315 Multi-fold interlockable spring for use in mattress foundation assemblies Sep. 24, 1996

1 2 3










 
 
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