US PATENT SUBCLASS 188 / 24.15
.~.~.~.~ Variable leverage actuator

Current as of: June, 1999
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188 /   HD   BRAKES

2 R  DF  VEHICLE {19}
24.11  DF  .~ Velocipede (e.g., bicycle, etc.) {4}
24.12  DF  .~.~ Including mechanism for opposed gripping of wheel rim or tire {7}
24.14  DF  .~.~.~ Having means to increase braking force (e.g., self-energizing brake, etc.) {2}
24.15.~.~.~.~ Variable leverage actuator

DEFINITION

Classification: 188/24.15

Variable leverage actuator:

(under subclass 24.14) 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.