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Class Information
Number: 188/82.1
Name: Brakes > Wheel > One-way brakes
Description: Brakes applied to element rotating relative to stationary elements to prevent retrograde rotation while allowing forward rotation.










Sub-classes under this class:

Class Number Class Name Patents
188/82.9 Axially moving 28
188/82.6 Biased flexible band 29
188/82.5 Combined or plural diverse types 6
188/82.8 Dragged wedging member 54
188/82.7 Pivoting or flexing detent (e.g., pawl) 61
188/82.2 Reversible 41
188/82.3 With disabler 68
188/82.4 With hold out 25


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8342047 Ratchet style anti-back device for conveyor dollies Jan. 1, 2013
8307955 Mechanical release of release holding mechanism for hand brake Nov. 13, 2012
8079450 Viscous strand damper assembly Dec. 20, 2011
8056683 Electric disk brake and lock mechanism Nov. 15, 2011
8051960 Braking apparatus for blind Nov. 8, 2011
8042657 One-way load self-control spiral type brake Oct. 25, 2011
8020494 Anti-roll back assembly with linear magnetic positioning Sep. 20, 2011
7360634 Frictional engagement device Apr. 22, 2008
7350629 Floating damper Apr. 1, 2008
7059454 One-way braking device Jun. 13, 2006
6848759 Self-closing slide mechanism with damping Feb. 1, 2005
6695101 Spooling apparatus Feb. 24, 2004
6675861 Brake for a cordless blind Jan. 13, 2004
6666306 Damping device for movable furniture parts Dec. 23, 2003
6648106 One-way clutch and a supporting structure Nov. 18, 2003
6634874 Scroll compressor with anti-reverse rotation clutch Oct. 21, 2003
6488130 Twist-grip brake for a cargo portage device Dec. 3, 2002
6473936 Damping mechanism Nov. 5, 2002
6189660 Ratchet wheel device for a baby walker Feb. 20, 2001
6131717 Braking roller Oct. 17, 2000
6131242 Damping device Oct. 17, 2000
6076640 Fishing reel with dynamic drag Jun. 20, 2000
6039115 Safety coupling for rotary pump Mar. 21, 2000
5947030 Amusement device in the form of a roller coaster, a monorail or the like Sep. 7, 1999
5909848 High pressure liquid rotary nozzle with coil spring retarder Jun. 8, 1999
5884564 Anti-backup device for power-and-free conveyor systems Mar. 23, 1999
5868226 Screw-released roller brake Feb. 9, 1999
5845746 Wheelchair dynamic braking system Dec. 8, 1998
5839548 Motion control device for rotary dampers Nov. 24, 1998
5823116 Shock-absorbing tow bar coupler Oct. 20, 1998
5715756 Ride attraction anti-roll back system Feb. 10, 1998
5690194 One-way pivoting gear damper Nov. 25, 1997
5664653 Rotary unit having clutch function Sep. 9, 1997
5551510 Safety coupling for rotary down hole pump Sep. 3, 1996
5545019 Scroll compressor drive having a brake Aug. 13, 1996
5482221 Single action fly fishing reel having an infinitely variable silent drag Jan. 9, 1996
5388672 Anti-roll-back device Feb. 14, 1995
5325790 Rollback-preventing apparatus for a rail vehicle Jul. 5, 1994
5285950 Wire sprag retainer Feb. 15, 1994
5211269 Damper for a flapdoor using viscous fluid May. 18, 1993
5199682 Fishing reel with annual ratchet clutch external the spool Apr. 6, 1993
5165507 Damper for a flapdoor using viscous fluid Nov. 24, 1992
5141085 Hoist load brake Aug. 25, 1992
5101938 Mechanical load brake with automatic adjustment Apr. 7, 1992
5090521 One-way damper Feb. 25, 1992
4934490 Anti-roll device for vehicles Jun. 19, 1990
4911032 One-way gear Mar. 27, 1990
4893038 Device for limiting direction of rotation of synchronous motor Jan. 9, 1990
4881698 Fishing reel including a one-way brake Nov. 21, 1989
4867282 Vehicle anti-roll back device Sep. 19, 1989

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