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Class Information
Number: 188/325
Name: Brakes > Wheel > Transversely movable > Expanding > Two shoes
Description: Device comprising two distinct frictional contacting members.


Sub-classes under this class:

Class Number Class Name Patents
188/331 Adjacent ends operatively connected and not anchored to support 49
188/327 Anchors adjacent unoperated ends 15
188/334 Anchors at alternate ends 10
188/326 Operators at both ends of each shoe 28


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7249657 Wheelchair and one-piece molded braking support wheel therefor Jul. 31, 2007
7178643 Drum brake apparatus Feb. 20, 2007
7100746 Motor vehicle drum brake and related assembling method Sep. 5, 2006
7077249 Drum brakes with interconnected multi-degrees-of-freedom shoes Jul. 18, 2006
7011194 Drum-in-hat torque limiter Mar. 14, 2006
6988597 Mechanically applied/hydraulically released brake Jan. 24, 2006
6942074 Drum brake system for vehicle Sep. 13, 2005
6877592 Mechanical actuator for a drum brake Apr. 12, 2005
6742633 Linkage for joining a lever to a brake cable Jun. 1, 2004
6732840 Brake cable connecting apparatus for a drum brake device May. 11, 2004
6729449 Drum brake May. 4, 2004
6718845 Pedal assembly with radially overlying sensor and hysteresis Apr. 13, 2004
6681902 Brake shoe mounting system for a vehicle brake assembly Jan. 27, 2004
6666302 Parking brake device including pivotable brake lever which extends through aperture of backing plate Dec. 23, 2003
6651789 Limiter means for a release spring of a brake cable Nov. 25, 2003
6640936 Brake cable connecting apparatus for drum brake Nov. 4, 2003
6612407 Drum brakes Sep. 2, 2003
6581735 Drum brake device Jun. 24, 2003
6505370 Load adaptive brake system for automatic washer Jan. 14, 2003
6502670 Mechanical type drum brake device Jan. 7, 2003
6497310 Drum brake device Dec. 24, 2002
6454062 Drum brake Sep. 24, 2002
6412609 Brake cable mounting structure for a drum brake Jul. 2, 2002
6408994 Drum brake Jun. 25, 2002
6394237 Automatic shoe clearance adjustment device for a drum brake May. 28, 2002
6374962 Drum brake with dual-actuation Apr. 23, 2002
6345703 Magnetic adjustable loading wheel for an exercise apparatus Feb. 12, 2002
6321889 Shoe driving mechanism for drum brake Nov. 27, 2001
6302245 Drum brake device Oct. 16, 2001
6290036 Drum brake device Sep. 18, 2001
6276500 Brake wheel cylinders Aug. 21, 2001
6253890 Air brakes for trucks Jul. 3, 2001
6237725 Cart automatic brake mechanism May. 29, 2001
6234281 Attachment of a brake cable with an actuator of a parking brake May. 22, 2001
6223869 Drum brake device May. 1, 2001
6186294 Drum brake Feb. 13, 2001
6119822 Drum brake with rack and pinion drive Sep. 19, 2000
6119833 Drum brake device having leading/trailing mode and duo servo mode Sep. 19, 2000
6105732 Positive lock parking brake assembly Aug. 22, 2000
6089361 S-cam spider bushing cartridge Jul. 18, 2000
6065571 Drum brake system and device May. 23, 2000
6062353 Drum brake device May. 16, 2000
6059077 Drum brake May. 9, 2000
6041894 Cart automatic brake mechanism Mar. 28, 2000
5964324 Drum brake Oct. 12, 1999
5957247 Actuator for a parking brake Sep. 28, 1999
5924529 Drum brake device with single shoe extension device Jul. 20, 1999
5769189 Automotive parking brake and parking brake system for motor vehicles Jun. 23, 1998
5720367 Parking and emergency brake operating mechanism for dual mode drum brake assemlby Feb. 24, 1998
5664648 Prestressed brake drum or rotor Sep. 9, 1997

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