Abstract:
A brake includes two rockers, two shoes attached to the rockers and two linings attached to the shoes. The brake pinches a rim without overheating the rim. The rim includes two walls and a bridge. Each of the walls includes a first portion within the bridge, a second portion beside the bridge so that the bridge performs as a heat sink and supports the second portion and a third portion beyond the bridge in order to clamp a tire. The two linings pinch the second portions of the walls. An anchor attaches the top of each of the shoes to the related rocker and is vertically spaced from the linings.
Abstract:
A cam assisted wheel brake for a bicycle comprising two arms mounted on a screw, which provides a pivot point for the arms and a means for attachment of the brake to the fork of the bicycle. It consists of a novel cam lever, which is operated by the bike's existing brake cable and is attached via the cam release to one arm. The arm with the cam lever also has provision for the bike's cable housing adjuster. The brake has a plastic spring, which provides an opposing force to the cable and opens the brake. When the existing lever on the handle bar is pulled, the existing cable is drawn into the housing, which is attached to one arm. The end of the cable being attached to the free end of the cam lever, which pulls the cam lever up toward the cable adjuster. The lobe of the cam lever makes contact with the bearing section of the second arm, causing the arms to move in a way that draws the brake pads toward each other and squeezes the rim of the bicycle. When the lever on the handle bar is released, the plastic spring forces the arms back to the open position. The tab of the quick release may be moved upward to drop the fulcrum of the cam lever. This drops the lobe and allows the brake to open up further.
Abstract:
A brake apparatus for a bicycle capable of applying a higher braking force on the front wheel (3) and a lower braking force on the rear wheel (4) given the same force exerted on the levers (7, 8) controlling the front brake (5) and the rear brake (6) so to prevent early locking of the rear wheel of the bicycle during braking while leaving the cyclist the possibility to separately control the front brake (5) and the rear brake (6).
Abstract:
A brake system for a motor-driven vehicle includes a brake device driven by a brake cable to stop the motor-driven vehicle from moving, two electrically conductive friction means respectively fastened to the brake device and driven by the brake device to press on two opposite sides of a metal part of wheel means of the motor-driven vehicle in stopping the motor-driven vehicle from moving, a main processor, which controls the operation of the motor of the motor-driven vehicle, and two electric wires respectively connected between the electrically conductive friction means and two opposite terminals of the main processor; wherein when the electrically conductive friction means are forced by the brake device to press on the two opposite sides of the metal part of the wheel means of the motor-driven vehicle, the main processing unit is induced to cut off power supply from the motor of the motor-driven vehicle.
Abstract:
The present invention is directed to a brake shoe adapted for use in a braking mechanism that comprises a support member and a substantially metal free brake pad disposed on the support member. The brake pad may be composed of polymerized urethane as a major constituent thereof. More particularly, the brake pad may be composed of a mixture including urethane, a urethane reactant and a urethane curing agent. The durometer hardness of the brake pad may be between 80 and 95 on the A-scale. The support member may include a connector and a base plate, and the brake pad may be formed as an integral one-piece molded construction with the base plate being embedded in the brake pad. The brake pad may have a contact surface that is contoured so that the brake pad has varying thickness to differentially contact a moving surface. The present invention also provides a caliper-type braking mechanism having a brake shoe including a brake pad disposed thereon, wherein the brake shoe is adapted to be secured to a free end of a brake arm of the caliper-type braking mechanism. Additionally, the present invention is directed to a method of fabricating a brake shoe adapted for use in a caliper-type braking mechanism.
Abstract:
A brake shoe includes a mounting portion at its rear side. The mounting portion is angularly adjustable relative to a brake arm. An angular position adjusting member is removably fit in at least the rear end of a shoe body in the direction of rotation of a wheel. The angular position adjusting member and one end of a braking surface are pressed against a wheel rim. After the mounting portion is fixed to the brake arm, the angular position adjusting member is removed. This enables adjustment of a clearance between the wheel rim and the brake shoe.
Abstract:
The present invention relates to a quick adjusting device for bicycle cables, and especially to a device having a substantially S-shaped base which cooperates with a cam, a worm and a worm gear to adjust a bicycle brake cable. Two plates formed on the bottom of the base to define an area. A wheel is slidably mounted on the cam. The worm gear and the wheel, together, clamp the brake cable. The brake cable is driven and adjusted by the worm gear and the wheel by inserting a hexagon wrench into a hexagonal slotted head of the worm and turning. A pulley is rotatably received in an area of the base for adjusting the relative position of the left side and the right side brake arms.
Abstract:
A braking device for bicycles and the like comprising a double pair of yoke elements stamped of sheet plate material having appropriate lightening holes and component element mounting holes provided therewith. A pair of suitably mounted brake pad structures are adjustably mounted from slots in the main body portion of the respective pairs of yoke plates. One of said brake pads can be mounted on a suitable hydraulically actuated slave unit and/or the other operator controlled brake actuation mechanism. The other brake pad is mounted on a slidable movable shaft which is spring biased in the released or non-actuated position. An off-center cam lever moves the parking brake pad into actuated position with a bicycle wheel, or disengages same therefrom. An off-center cam structure mounted adjacent the pivot point of the pairs of yoke plates provides for a wide open, quick release operation of the overall device to permit removal of a brake wheel and tire without other modification or disassembly of the braking device.
Abstract:
An automatic brake light switch for bicycles, comprising electric wiring interconnecting light means and power source, detachably mounted onto a bicycle, the free ends of said wiring terminating in electric contact means; resiliently flanged attachment means, having a centered cut-out, for easy and secure mounting over and onto a brake pad, the length of said attaching means extending beyond the end surfaces of the brake pad; its two thusly overlapping ends are provided with holes through which two externally threaded tubes pass, each of which being securely maintained in its hole, by means of two internally threaded nuts threaded from opposite ends of the tube until firmly pressing against the peripheral surface of the hole. The said wiring, consisting of two insulated wires, is caused to pass through said tubes with their said terminal electric contact means protruding outside the tube ends and lying substantially flush with the longitudinal lower contact surface of the brake pad; when the frictional brake pad is applied against the bicycle wheel rim, the electric contact means are simultaneously therewith caused to touch the metal wheel rim and thus close the circuit for the brake light, indicating that the bicycle rider is slowing down or stopping.