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Class Information
Number: 188/24.15
Name: Brakes > Vehicle > Velocipede (e.g., bicycle, etc.) > Including mechanism for opposed gripping of wheel rim or tire > Having means to increase braking force (e.g., self-energizing brake, etc.) > Variable leverage actuator
Description: Apparatus wherein the actuating means includes a plurality of caliper arms, each carrying a component, which gives a varying mechanical advantage to the brake as the components move from their inoperative positions to their fully operative positions.










Patents under this class:

Patent Number Title Of Patent Date Issued
8474577 Rest position adjuster for brake actuating element Jul. 2, 2013
8469156 Sequential brake control device for a cycle Jun. 25, 2013
8307954 Caliper brake attachment tool for rear wheel of bicycle Nov. 13, 2012
8261887 Safe braking apparatus Sep. 11, 2012
7546909 Lever assembly and master cylinder Jun. 16, 2009
7314121 Apparatus for mounting a brake control element to a bicycle hub brake Jan. 1, 2008
7222874 Rear wheel synchronous brake system for pushcart May. 29, 2007
7121386 Bicycle braking system Oct. 17, 2006
7017716 Handbrake operating device structure Mar. 28, 2006
6708493 Variable ratio of force-enlargement master cylinder of a braking system Mar. 23, 2004
6520297 Cable feed for a mechanical ball bearing disc brake Feb. 18, 2003
6491137 Caliper brake lever arm return spring force adjusting apparatus and method Dec. 10, 2002
6305506 Braking system including motor-driven disc brake equipped with self-servo mechanism Oct. 23, 2001
6186282 Balanced braking system Feb. 13, 2001
6155383 Bicycle brake device Dec. 5, 2000
5913388 Bicycle brake device Jun. 22, 1999
5566789 Bicycle anti-locking brake Oct. 22, 1996
5540304 Single-handled vehicle brake system Jul. 30, 1996
5425434 Bicycle brake with two pivot pins Jun. 20, 1995
5299664 Bicycle brake assembly including crank arm levers which function as second class levers Apr. 5, 1994
4969539 Brake for bicycle Nov. 13, 1990
4823915 Operating force transmission device for a brake Apr. 25, 1989
4644816 Brake actuator Feb. 24, 1987
4480720 Brake operating device for a bicycle Nov. 6, 1984
4290507 Actuating system and apparatus for brakes and clutches and the like Sep. 22, 1981
4015690 Bicycle brake with force modifying means Apr. 5, 1977
4014408 Variable-leverage brakes for bicycles Mar. 29, 1977











 
 
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