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Class Information
Number: 267/162
Name: Spring devices > Bendable along flat surface (e.g., leaf spring) > Ring or annular spider > Pair or pack
Description: Spring device in which there are a plurality of superposed and adjacent, annular spring elements or element portions for bending about a common flexural arc.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8662264 Safety brake device with force store element Mar. 4, 2014
8500108 Stackable belleville spring Aug. 6, 2013
8446073 Spring sleeve for fuel injector May. 21, 2013
8366082 Belleville spring guide system Feb. 5, 2013
8172052 Rapid recovery shock absorber system with hydraulic end stop and method for use thereof May. 8, 2012
7954618 Starting clutch, particularly for racing and sports vehicles Jun. 7, 2011
7854425 Belleville spring guide system Dec. 21, 2010
7793923 Wave coil spring Sep. 14, 2010
7334784 Corrugated spring with gradual progressive spring characteristic Feb. 26, 2008
7243900 Ball valve Jul. 17, 2007
7210181 Spring construction May. 1, 2007
7155903 Buffer washer member and vibration and heat insulating board having the same Jan. 2, 2007
7134648 Interlocking disc spring assemblies and adjustable interlocking disc spring assemblies Nov. 14, 2006
7070336 Bearing positioning member for a spindle motor Jul. 4, 2006
6758465 Wave spring with single shim end Jul. 6, 2004
6669184 Composite wave ring spring Dec. 30, 2003
6647858 Linearizing shunt for a force sensor Nov. 18, 2003
6485007 Diaphragm bellows device Nov. 26, 2002
6394435 Shock isolator system May. 28, 2002
6254071 Single-turn, round wire wave spring Jul. 3, 2001
6250618 Curved wave shim Jun. 26, 2001
6068250 Composite multi-wave compression spring May. 30, 2000
6050557 Coiled disk spring Apr. 18, 2000
5971374 Seismic damper for high voltage breakers and disconnect switches Oct. 26, 1999
5915677 Circular plate spring Jun. 29, 1999
5906361 Conical disc spring column May. 25, 1999
5806794 Aircraft braking system with damped brake rod Sep. 15, 1998
5730430 Spring unit for use in a pivot pin assembly Mar. 24, 1998
5709516 Washer faced spring assembly Jan. 20, 1998
5669598 Spring retainer and alignment method Sep. 23, 1997
5639074 Interlaced wave spring Jun. 17, 1997
5558393 Composite multi-wave compression spring Sep. 24, 1996
5423400 Mechanical energy absorber Jun. 13, 1995
5390949 Active suspension systems and components using piezoelectric sensing and actuation devices Feb. 21, 1995
5390903 Variable force die spring assembly Feb. 21, 1995
5339930 Constant tension device for railway car handbrake Aug. 23, 1994
5336320 Fast response film coater Aug. 9, 1994
5316319 Liveload assembly for maintaining torque on bolts May. 31, 1994
5313853 Flat spring biased shifter May. 24, 1994
5263694 Upper mount assembly for a suspension damper Nov. 23, 1993
5253852 Spring used with complementary spacer Oct. 19, 1993
5243866 Starting device for internal combustion engines Sep. 14, 1993
5222718 Flanged washer spring Jun. 29, 1993
5195756 Live-load device Mar. 23, 1993
5096167 Spring structure for a thermionic converter emitter support arrangement Mar. 17, 1992
5072917 Uniform loading springs of improved configuration Dec. 17, 1991
5024453 Liveload assembly for rotary or reciprocating shaft packing Jun. 18, 1991
5022294 Cutting apparatus for a noncircular cross section Jun. 11, 1991
4984777 Flexible bearing with a disk spring having an S-shaped spring constant curve Jan. 15, 1991
4968010 Slotted disc and elastomeric matrix damper assembly Nov. 6, 1990

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