The invention relates to an environment-friendly friction material, which consists of the following components in parts by weight: 8-15 parts of a binding material, 3-8 parts of an organic fiber, 3-8 parts of an inorganic fiber, 3-8 parts of an anti-friction material, 15-25 parts of granite powder, 35-40 parts of marble powder, 6-10 parts of a modified organic filling material, 5-10 parts of an acidity or alkalinity regulating material, and 0.5-4.5 parts of a non-copper metal material, wherein the modified organic filling material consists of the following components in parts by weight: 25-50 parts of tyre powder, 15-25 parts of a shoe sole waste, 10-15 parts of a sepiolite fiber, 2-3 parts of a silane coupling agent, 2-5 parts of a cashew nut shell liquid, and 0.5-2 parts of an activator, with the shoe sole waste including 15-30% of POE and 5-15% of EPDM. The invention is reasonable in compatibility, and has excellent properties such as reduced noise, heat resistance and little damage to mating plates while ensuring a moderate and stable friction coefficient, thereby changing waste materials into objects of value and achieving energy conservation and environmental protection effects.

A method is disclosed for producing a brake element, in particular a brake disk or brake drum, which has a friction portion and a fastening portion, wherein a blank for at least the friction portion is produced by a casting method from gray cast iron with lamellar graphite, wherein the blank is subjected to austenitizing at a predefined austenitizing temperature, and wherein the austenitized blank is subjected to austempering at a predefined austempering temperature. The friction portion and the fastening portion is produced in one piece, and that the fastening portion is produced with a wall thickness of at least 1.5 and at most 4.5 mm.

An adjustment lever deceleration assembly for a steering column includes an adjustment lever rotatable between a locked position and an unlocked position. The adjustment lever deceleration assembly also includes a component positioned proximate the adjustment lever, the component rotating at a speed less than a rotational speed of the adjustment lever during adjustment between the locked position to the unlocked position. The adjustment lever deceleration assembly further includes an adjustment lever decelerator integrally formed with the adjustment lever, the adjustment lever decelerator positioned on the adjustment lever to contact the component during rotation of the adjustment lever toward the unlocked position, wherein the adjustment lever deflects and absorbs energy upon contact with the component.

A brake drum for a vehicle includes a friction ring and a drum body. The friction ring has grooves arranged on a radial outer surface along a circumference, and a coating formed on the grooves. The drum body is cast onto the radial outer surface of the friction ring so that the grooves are filled with a material of the drum body. The grooves include first grooves and second grooves. A first axial segment is formed at the friction ring in which the first grooves are introduced so that the first grooves are inclined relative to a first axial end of the friction ring. A second axial segment is formed at the friction ring in which the second grooves are introduced so that the second grooves are inclined in a direction which is opposite to that of the first axial segment. Each of the grooves have undercuts.

An adjustment lever deceleration assembly for a steering column includes an adjustment lever rotatable between a locked position and an unlocked position. The adjustment lever deceleration assembly also includes a component positioned proximate the adjustment lever, the component rotating at a speed less than a rotational speed of the adjustment lever during adjustment between the locked position to the unlocked position. The adjustment lever deceleration assembly further includes an adjustment lever decelerator integrally formed with the adjustment lever, the adjustment lever decelerator positioned on the adjustment lever to contact the component during rotation of the adjustment lever toward the unlocked position, wherein the adjustment lever deflects and absorbs energy upon contact with the component.

A brake carrier and a method of manufacture. The brake carrier may have leading and trailing brake pad abutments. The leading brake pad abutment may have an unmachined leading wall surface and an unmachined leading floor surface. The trailing brake pad abutment may have a trailing wall surface and a trailing floor surface, at least one of which may be machined.

A universal joint configured to transfer rotational movement from a first shaft to a second shaft at an angle and method of manufacturing the same.

This caliper body includes a cylinder portion (26) that has a piston disposed therein and is internally provided with a liquid pressure chamber, a bleeder boss portion (29) that communicates with the liquid pressure chamber and includes a bleeder hole configured to discharge air from the liquid pressure chamber, and a plurality of identifiers (112 and 116). At least one identifier (112) of the identifier (112 and 116) is formed in a region hidden by a bleeder plug (131) attached to the bleeder boss portion (29).

A brake disk (1) has a brake disk chamber (2), a friction ring (3) having two friction ring disks (3a, 3b) and a plurality of pin-shaped connecting elements (4) for connecting the brake disk chamber (2) and the friction ring (3). A cooling duct (5) is formed between the fiction ring disks (3a, 3b). The friction ring disks (3a, 3b) have respective friction surfaces (3a1, 3b1) on their outer planar surfaces and respective cooling channel surfaces (3a2, 3b2) on their inner planar surfaces. The friction ring (3) has a plurality of receiving regions (7) for receiving the pin-shaped connecting elements (4). The brake disk chamber (2) is cast to the connecting elements (4) in a separate step by means of casting. A gap (8) existing between the brake disk chamber (2) and the friction ring (3) has such a width (A) which results from the fact that, during casting of the brake disk chamber (2), at least one section (3d) of a lateral surface (3c) of the inner diameter of the friction ring (3) which is closed in itself in the circumferential direction is used as part of a casting mold (9). An axial extension of that part of the receiving area (7) of the friction ring (3) which extends from the cooling channel surface (3a2) in the direction of the cooling channel (5) is 2-10 mm, preferably 4-7.5 mm, even more preferably 5.5 mm.

A brake shoe for a drum brake includes a unitary body defining a brake table and one or more webs supporting the brake table. Each web has first and second ends. The first end is configured for pivotally coupling to an associated brake spider of the drum brake and the second end is configured to respond to a force applied by an actuator that causes the brake shoe to move between positions of engagement and disengagement with an associated braking surface. The unitary body further defines one or more supports extending between the two webs and/or between one of the webs and the brake table. In some embodiments, the supports comprise vibration dampers configured to deflect from an unloaded position to a loaded position in the presence of a load and to return to the unloaded position in the absence of the load.