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Class Information
Number: 188/69
Name: Brakes > Wheel > Positive lock
Description: Brakes for wheels that positively stop rotation.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7428951 Brake device for elevator Sep. 30, 2008
7395902 Hand deactivated shopping cart automatic braking system Jul. 8, 2008
7192100 Power machine having traction lock with speed-range selector Mar. 20, 2007
7156590 Quill lock assembly Jan. 2, 2007
7140477 Automatic parking brake for a rail vehicle Nov. 28, 2006
7108108 Rod clamping device Sep. 19, 2006
6923294 Lockable wheel Aug. 2, 2005
6915883 Electric braking apparatus Jul. 12, 2005
6905004 Parking gear for a motor vehicle Jun. 14, 2005
6851522 Wheelchair brake attachment apparatus Feb. 8, 2005
6811509 Hydraulic motor apparatus including brake mechanism Nov. 2, 2004
6688437 Wheelchair brake system with anti-rollback and anti-tip capabilities Feb. 10, 2004
6655505 Parking brake actuating device for a parking brake arrangement in a motor vehicle Dec. 2, 2003
6644443 Transportation device, especially a wheelchair, with a braking system Nov. 11, 2003
6619438 Caster braking and locking structure Sep. 16, 2003
6619460 Braking arrangement and braking maneuver means Sep. 16, 2003
6484851 Parking brake for automobiles Nov. 26, 2002
6470519 Medical table brake Oct. 29, 2002
6431328 Parking lock device for three-wheeled vehicle Aug. 13, 2002
6415675 Slide-out drive gear box lock Jul. 9, 2002
6408990 Settling device for stopping movement of baby car by inhibiting rotation of wheels Jun. 25, 2002
6361469 Parking lock for a vehicle having an electrical drive, and an electrical drive for a vehicle Mar. 26, 2002
6354422 Parking apparatus of an automatic transmission and method for controlling the same Mar. 12, 2002
6315085 Semi automatic brake applicator for wheel chairs Nov. 13, 2001
6286633 Parking brake for an automatic transmission mechanism Sep. 11, 2001
6269917 Electromagnetically actuated brake Aug. 7, 2001
6260667 Rotor containment brake Jul. 17, 2001
6250433 Positive-locking vehicular parking brake Jun. 26, 2001
6199442 Slewing ring brake Mar. 13, 2001
6179092 Parking lock for an agricultural implement Jan. 30, 2001
6173817 Automatically braking device when leaving a protected area Jan. 16, 2001
6170615 Braking device of a three wheel baby car Jan. 9, 2001
6164420 Multi-directional locking arrangement for a vehicle Dec. 26, 2000
6148942 Infant stroller safely propelled by a DC electric motor having controlled acceleration and deceleration Nov. 21, 2000
6116103 Device for securing gear nut on actuator Sep. 12, 2000
5992576 Parking lock with secondary brake Nov. 30, 1999
5887489 Locking device for a rotary member of a working tool Mar. 30, 1999
5845751 Safety locking device Dec. 8, 1998
5839546 Safety locking device for vehicle Nov. 24, 1998
5799756 Surelock wheelchair brakes Sep. 1, 1998
5709395 Three wheel roller skate Jan. 20, 1998
5568844 Braking apparatus operated via resilient deformation of coned disk springs Oct. 29, 1996
5551523 Traction lock Sep. 3, 1996
5540308 Parking lock for vehicle Jul. 30, 1996
5530427 Alarm lock Jun. 25, 1996
5519916 Cart wheel and brake assembly May. 28, 1996
5515947 Motorcycle disk brake lock May. 14, 1996
5499518 Multistepped disk brake lock for motorcycle Mar. 19, 1996
5496139 Collet lock arrangement for power tool Mar. 5, 1996
5467953 Supporting stand for a musical instrument keyboard Nov. 21, 1995

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