Disclosed is a brake system for a railway vehicle, including linings each having at least one positioning member for mechanically fastening the linings in a predetermined position on the system with respect to a disc of the vehicle and a bearing face for tightly gripping the disc under the action of an actuator of the system, and at least one return member for separating the linings from the disc in order to release it when the linings are freed from the action of the actuator; each lining has at least one fastening member formed on an edge, the return member has two opposite end lugs connected to one another by an elastic portion and each mechanically fastened with a the fastening member, and the system is configured such that the fastening members and the end lugs are situated at a distance from the at least one positioning member.

A disc brake for a utility vehicle has a brake caliper which fits around a brake disc, is in the form of a sliding caliper, is fastened to a stationary brake carrier and has a central opening over the brake disc. The disc brake has two brake pads which are arranged in the brake caliper, can be moved in opposite directions and each have a pad carrier plate and a friction lining fastened thereto, and of which an action-side brake pad can be pressed against the brake disc by a tensioning device via at least one brake piston. The disc brake also has at least one spreading device with which the brake caliper can be returned after a displacement caused by braking and after a release of the brake. The spreading device has resilient spring units which act on the mutually opposing brake pads. The spreading device is arranged in the central opening, and the spring units act directly or indirectly outside the friction linings in at least two attachment interfaces, spaced from each other and from the center, of the brake pads. The spring units are connected to a stationary attachment element in at least one connection interface by at least one connection element.

A wheel brake arrangement (100) for a wheel of a vehicle, the wheel brake arrangement comprising a brake pad (102) arranged to be controllable between a first stage in which the brake pad is connected to a brake disc for reducing the speed of the vehicle, and a second stage in which the brake pad is disconnected from the brake disc; and a carrier (104) connected to the brake pad for supporting the brake pad, wherein the wheel brake arrangement further comprising a resilient member (106) connected between the carrier (104) and the brake pad (102), the resilient member (106) comprising a first portion (108) connected to a surface (110) extending in a radial and tangential direction of the brake pad (102) and arranged to force the brake pad (102) away from the brake disc when the brake pad assumes the second stage, and a second portion (112) connected between a radially inner surface (114) of the brake pad (102) and a portion (116) of the carrier.

Brake apparatus for a motor vehicle with a restoring apparatus, comprising a brake support body, a brake lining, a restoring apparatus for the brake lining, and a wear compensation means, the restoring apparatus being connected via the wear compensation means to the brake lining, the restoring apparatus having a lever arm which comprises a spring section, a supporting bearing and a lever bearing, the lever bearing being arranged between the spring section and the supporting bearing.

A disc brake of a floating type includes: an inner pad and an outer pad located on opposite sides of a rotor; a pressing device that presses the inner pad and the outer pad against the rotor; and a housing holding the pressing device. The pressing device includes: a first pressing member movable toward the rotor; a second pressing member movable away from the rotor; and a frame held by the housing via engageable portions movably relative to the housing in a direction parallel with a rotation axis of the rotor. The engageable portions are spaced apart from each other in a circumferential direction of the rotor. The frame is moved with movement of the second pressing member to press the outer pad against the rotor. Each of the engageable portions has a labyrinth structure.

A coupling for attaching a pair of longitudinally aligned rotatable shafts. It has a pair of circular hubs having a bore through a central axis. A shaft is fixed within each bore. A circular power ring is positioned between the hubs. Either the hubs or the power ring have circular apertures through and spaced around each hub and a hollow bushing positioned in each circular aperture. The other of the hubs or the power ring has mating coupling pins extending outwardly mounted within a corresponding one of the hollow bushings. Preferably an end of the coupling pins mating with the bushings have a generally truncated spherical, bulbous configuration with an outside diameter about 5% to about 25% greater than an outside diameter of its opposite end. Preferably elastically deformable, solid cylindrical spacers are attached to, and projecting between each circular hub and the circular power ring.

A braking device for a vehicle may have a disc with a disc body with at least one connection portion. The connection portion having at least one arm, which projects cantilevered. The arm has a free terminal end and an attachment root. The root has at least one contact area of an elastic element with seat walls. The at least one arm has at least one working portion which touches the engagement portion of a bush and affects the bush to abut against a dragging surface.

A brake assembly having a retraction spring and a method of assembly. The retraction spring may extend between first and second brake pad assemblies. The retraction spring may include a coil and, may have an end or tip that may be received in a hole in a backplate of a. brake'pad assembly.

A disc has a braking band, a bell and elastic elements. The braking band has a plurality of radial teeth projecting from a radially internal edge portion, delimiting a plurality of band seats. Each radial tooth has a radially internal edge surface, a first and a second axial tooth side, and at least one circumferential side. A plurality of axial teeth project delimiting a plurality of bell seats. The plurality of radial teeth is housed in the plurality of bell seats. The internal bell surface is aligned with the radially internal edge surface of each radial tooth. Each elastic element is removably connected to the axial teeth and embraces a portion of first and second axial tooth sides and of circumferential side of the radial teeth of the braking band, elastically preloading the radial teeth with respect to the bell.

A disc brake includes a caliper; a pad pressed against a disc by a movable portion of the caliper and including a mounting ear portion provided to be protruded in a longitudinal direction of the pad; a pad spring including a guide plate configured to guide the mounting ear portion, and a first biasing member configured to press the mounting ear portion of the pad toward outside of the disc; and a second biasing member provided at the pad to bias the pad in a direction away from the disc. The guide plate of the pad spring has a surface that abuts on the mounting ear portion of the pad pressed by the first biasing member. The pad spring includes a folded region protruded in an axial direction of the disc from the surface abutting on the mounting ear portion of the pad, and folded in a direction toward the outside of the disc and away from the mounting ear portion. The folded region includes an abutting portion which the second biasing member provided at the pad abuts on.