Abstract: A swivel bearing is provided for a bogie which comprises a support mounted on a first race ring, a friction lining and a rolling element attached to the support for providing a braking position to the friction lining. A second race ring engages the first race ring through rolling elements. A counter friction lining support element is solidly mounted on the second race ring and supports a counter friction lining for engaging the friction lining. A cam element is attached to the second race ring suitably for engaging the roller to provide for a positioning of the friction lining versus the counter friction lining over a desired angle. The counter friction lining support element is preferably a clamp spring of suitable tension for limiting the total braking force on the bogie rotation.

Abstract: A brake system for a vehicle in which a pair of brake discs are mounted on two opposed shafts in alignment with one another and pucks are disposed on opposite sides of each of said discs. The pucks between the discs are supported by relatively movable support members, and an adjustment device is disposed between the support members to vary the spacing between the pucks and discs to compensate for wear occurring in the pucks from braking operations. The brakes are operated by a hydraulic actuator which presses the pucks onto the respective discs and urges them toward an abutment, the abutment being either a fixed member or the head of a mechanical brake which can apply a braking force in the direction opposite to the hydraulic actuator, to apply the brakes.

Abstract: A mechanical disc brake, including a caliper supported on a stationary member to slide in the direction of the axis of rotation of a rotatable disc and straddling the circumference of the disc to define two limb portions on the opposite sides of the disc, a first friction pad being pressed against one surface of the disc by one of the limb portions, a second friction pad disposed so as to be opposed to the first friction pad and being pressed against another surface of the disc, a force converting mechanism provided in the other limb portion of the caliper for converting the rotation of a lever to thrust force pressing the second friction pad, a rod extending in the direction of the axis of the disc and threadingly engaging the force converting mechanism with one end thereof engaging the second friction pad, a spring retainer threadingly engaging the other end of the rod, and a coil spring acting between the spring retainer and the other limb portion of the caliper to bias the rod in the direction separating

Abstract: The invention pertains to an automatic brake slack adjuster wherein incremental vehicle brake adjustments are automatically produced as brake lining wear occurs. The novel features include the simplification of structure, the provision of preadjustment including a drive gear which is automatically disengaged from a worm gear upon the placing of a wrench upon an adjustment shaft to simplify preadjustment, and a universal bracket is utilized permitting the adjuster to be readily employed with a wide variety of vehicle brake rod structures eliminating the need for special fittings and modifications.

Abstract: A device at a slack adjuster for manually rotating a spindle (1, 5) therein at the replacement of worn-out brake blocks, the spindle being in clutch engagement with a non-rotatable adjuster ear (6).In order to provide for a rotational movement of the spindle (1, 5) by external circumferential movements back and forth a locking spring (12) is arranged between a part (5) of the spindle and an externally actuatable operating sleeve (10).

Abstract: A mechanically operated disc brake of the type including a caliper slidably supported in the axial direction of a disc and straddling a peripheral portion of the disc, a pair of friction pads one of which is urged against the disc by a limb of the caliper, a cavity formed in another limb of the caliper, a nut member mounted in the cavity and being adapted to receive a rotational input force, a converting mechanism received in the cavity for converting the rotational movement of the nut member into axial movement thereof, a rod member screw-threadingly engaging with the nut member with the inner end abutting with the other friction pad for urging the same against the disc, and a rotation control member for controlling rotation of the nut member.

Abstract: A brake cable operating lever is disclosed including a device for adjusting the cable tension which is produced when the operating lever is in the brake-on position, characterized in that the rotary tension adjusting screw (36) which extends axially of the operating lever includes intermediate its ends an annular collar portion (36a) that is rotatably supported by an abutment shoulder (20f) on the operating lever (20), whereby the apparatus remains operable even if the manual operating knob (38) were to be removed from the screw member. An internal friction producing device (40) is provided for restricting rotation of the screw member about its axis.

Abstract: An automatic adjuster which readily permits manual adjustment of a drum brake by manually rotating an adjuster screw only. For normal automatic adjustment, an adjuster nut makes outward screwing rotation with the adjuster screw not allowed to rotate when the extent of forward movement of the adjuster nut comes to exceed a predetermined value during brake application. Manual adjustment is performed by rotating the adjuster screw to screw it outward or inward while the adjuster nut is not allowed to rotate.

Abstract: A device for installation between a brake cable and a caliper brake assembly the device including a base which adjustably receives a threaded elongate shaft upwardly attached to the brake cable end. A nut locks the base and shaft together after adjustment. At the base lower end is a coupler engageable with the bridle of a caliper brake assembly. The coupler is sleeve shaped to permit telescopic passage of the elongate threaded shaft for a wide range of adjustments.

Abstract: A mechanical disc brake includes a caliper floatingly supported on a stationary member, and a force converting mechanism mounted on the caliper and comprising a rotatable member rotatable in response to a rotary input force, an inclined surface formed on one side of the rotatable member, a ramp member disposed adjacent to the rotatable member with an inclined surface formed thereon for cooperating with the inclined surface of the rotatable member, and at least one ball member interposed between the inclined surfaces for reducing frictional resistance in converting the rotary input force into a linear output force. A dust cover is disposed to cover the ball and the inclined surfaces and has a first end mounted on the rotatable member and a second end mounted on the ramp member.

Abstract: A brake unit for a skip or carriage adapted to ride on one or more cables. The brake unit has brake jaws spanning the cable, said unit being connected to the skip so as to move along the cable therewith. The connection to the skip is such that when the latter is moved in one direction, the jaws slide along the cables, but when the skip moves in the opposite direction, the jaws grip the cable in a braking action. The brake unit has adjusting means which is operable to adjust the gripping action of the jaw anywhere from a complete grip preventing movement of the skip to release of the cable so that the skip can move freely therealong.

Abstract: A speed reducer or eddy current brake for a vehicle, wherein the frame of the speed reducer is affixed on the support housing of the vehicle differential; the speed reducer includes a stator attached to the frame of the reducer; the frame is adjustable in position with respect to the stator; the rotor of the speed reducer is a flywheel which is properly positioned with respect to the vehicle drive shaft; means for adjusting the flywheel position with respect to the stator; means for magnetically shielding the bearings of the drive shaft of the flywheel from the magnetic force lines from the stator.

Abstract: An improved brake lever assembly of the overcenter toggle type is disclosed, wherein the brake operating lever is preferably pivotally connected with the stationary mounting plate assembly about a pivot axis that is laterally displaced from the linear axis of travel of an inner cable member relative to the concentrically arranged tubular outer sheath, thereby to reduce wear of the inner cable guide means. According to a first feature of the invention, an improved anchor plate or anchor plate arrangement is provided for connecting one end of the outer sheath member with one end of the stationary mounting plate assembly. In accordance with a second feature, a ratchet and pawl assembly is provided for releasably locking the operating lever in various angular positions relative to the mounting plate assembly.

Abstract: In a disc brake in which the brake applying mechanism is actuated by movement of a first pull rod, the hydraulic actuator which effects movement of the pull rod comprises an assembly of piston and cylinder members of which one is rigidly fixed with respect to a housing and the other is movable relative thereto and acts on the first pull rod. A second pull rod is coupled to the first pull rod and is used for parking or emergency braking.

Abstract: An improved mechanical disc brake, of the type in which a rotational operating force applied to a nut member adjustably carrying a push rod is converted into linear axial movement of the nut member and push rod to cause the push rod to move a brake pad engaged thereby into braking engagement with the disc, is provided in which the nut member is floatingly mounted on the housing of the brake for minimizing the wear and other adverse effects of natural vibration of the housing, and in which there is a device for urging the nut member into a self-centering position for maintaining the push rod in optimum relationship with the associated brake pad. The improved brake construction also facilitates provision for proper dust covers, lessens the precision required in the manufacture of certain parts, and permits proper adjustment of the brake to be accomplished even after replacement of the brake pads.

Abstract: A brake adjustment device for locomotives wherein the braking system of a locomotive truck may be converted from a double shoe clasp-type assembly to a single brake shoe assembly, and comprising a pair of brackets adapted to be secured to the locomotive truck between a pair of adjacent or in-line locomotive wheels, an apertured slide rod secured to the outer ends of each bracket and extending in a direction toward the respective in-line wheel, an apertured housing secured to the brake lever of each of the wheels and having one end thereof open for slidably receiving the respective slide rod therein whereby the adjuster may be used in the manner of a turnbuckle for quickly adjusting the brakes for facilitating the replacement or repair of the brakes, a keeper pin cooperating with each respective apertured slide rod and apertured housing for selectively locking the slide rod with the respective housing, and a lever cooperating with each keeper pin for retaining the keeper pins in engagement with the respective

Abstract: A brake cylinder for a hydraulic brake is constructed to have a resilient body between its piston and the brake fluid and to have a free space between the resilient body and the piston. The free space is free of hydraulic fluid and provides a space for the resilient body to occupy upon rise in the pressure of the brake fluid.

Abstract: A center-pull type caliper brake for a bicycle having a pair of brake arms. One of the brake arms directly secures therewith a terminal of a control wire and the other pivotally supports a retainer having a grip which retains the control wire.

Abstract: Device comprising an adjusting device provided at least at one end of a bowden cable for transmitting a grasping force on a brake operating lever in a direction to actuate brake shoes. The adjusting device includes a gauge member having a bore for passing the inner element of the cable therethrough and a hole or recess formed at one end of the bored portion and having a depth to determine a proper brake clearance, a nut having a portion shaped to fit in the recess of the gauge member and a portion of a shape unfittable in the recess when turned through a desired angle, and an adjusting screw member screwed in the nut and connected to the outer element of the cable.

Abstract: A disc brake construction adapted for use on front or rear wheels of motorcycles and the like. An annular disc having opposed bearing surfaces is supported for rotation within the wheel but on and coaxial with the axle of the wheel. Braking forces are applied through brake shoes that are oppositely aligned on opposite sides of these braking surfaces. The braking shoes are actuated by a hydraulic caliper device that is supported by an annular drum coaxial with the axle. A device is provided for absorbing reaction forces upon braking without transmitting these forces to the fork supporting the axle.

Abstract: A fluid pressure brake system for a bicycle or a motorcycle having a master cylinder which is provided with an excess portion extending from the end of the cylinder to have a given length more than a maximum pressure stroke of the piston of the master cylinder; this portion is provided internally thereof with an adjusting member controlling the inner volume thereof. Thus, the adjustment of the adjusting member keeps the brake action so as to be constantly responding to a predetermined swing of an operating lever at a handle bar despite leakage of fluid and wear of brake padding, thereby making it possible to perform consistent braking action.