A method for mounting a flexible tube associated with braking hydraulics on a bicycle between a braking control member and a braking member. The method provides a mounting cable for use in locating the flexible tube within a bicycle frame element while the ends of the flexible tube are exposed so a respective end can be connected to the control member and the braking member. The method simplifies the insertion process and reduces damage to the flexible tube. A tool for inserting the flexible tube is also provided.

A disc brake, preferably a compressed air-actuated disc brake, in particular for a motor vehicle, has a brake application mechanism with a brake rotary lever, at least one spindle unit having a threaded rod screwed into a bridge, and a brake caliper. The caliper frames an edge region of a brake disc. The brake caliper has a brake application portion and a caliper back which are connected together via tie bars. The brake application mechanism with the brake rotary lever is received in the brake application portion of the brake caliper from an application face side of the brake disc. The brake application portion of the brake caliper has a first region, in which the application mechanism and a force transmission portion of the brake rotary lever are arranged, a second region, which is formed as a lever housing, and a lever portion for the brake rotary lever. A support wall with a bearing portion, which forms a pivot bearing with a brake rotary lever axis that runs parallel to the brake disc, for the brake rotary lever is arranged between the first region and the second region.

A brake piston includes a piston pocket. The piston pocket receives a nut that is axially movable along a center axis. The nut is restricted from rotating within the piston pocket when a torque due to a frictional engagement between a nut seal and an inner pocket wall, one or more projections, or both is greater than an input torque at the nut. The nut is rotatable within the piston pocket when a torque due to the frictional engagement between the nut seal and the inner pocket wall, the one or more projections or both is less than the input torque at the nut and is less than the torque due to the frictional engagement between the piston and the piston seal.

A brake caliper is provided with a timing and retraction controller, a brake pad and a lock-connection comprising an engaging component and a locking component. The timing and retraction controller adjusts brake timing, eliminates parasitic brake losses and dampens out-of-plane vibration between the brake pad and rotor. The brake caliper includes a housing disposed over a brake rotor; first and second opposing brake pads extendably and retractably mounted on opposite sides of the caliper housing, brake pistons that extend and retract the brake pads into and out of frictional engagement with the rotor, and brake pad timing and retraction controllers disposed on opposite sides of the caliper housing. Each controller includes a Belleville spring or other resilient member with a short compression travel limited to between about 1.50 mm and 0.025 mm. The short stroke Belleville spring of each controller applies a hold-off force against the extension force of the brake pistons that slightly delays brake pad extension and slightly reduces brake pad clamping force against the rotor, thereby advantageously providing a front wheel braking bias when applied to the rear wheels of a vehicle. The restorative force applied by the short stroke Belleville forcefully and uniformly retracts the brake pad from the rotor, eliminating parasitic brake losses, and dampening out-of-plane vibration between the brake pad and rotor.

An adjusting device for a disc brake, in particular for utility vehicles, is provided. The adjusting device includes a freewheel having an inner ring and an outer ring. The inner ring and outer ring together with multiple rolling bearing balls form an axial ball bearing. The inner ring is rotatably supported relative to the outer ring by the rolling bearing balls. The freewheel further has a cage in which multiple clamping rollers are biased with compression springs and compression pieces, the cage being arranged between the inner ring and the outer ring in a radial direction relative to a through-bore passing through the inner and outer rings. The compression springs may be pretensioned by rotating the cage relative to the inner ring and then fixing the cage to on the inner ring with a locking device.

The invention relates to a pad for a bicycle disc brake, comprising a support frame and an element made of friction-wearing material associated with said support frame. The element made of friction-wearing material comprises a visual wearing indicator, which preferably is defined on an upper portion of the element made of friction-wearing material, more preferably at a side end area of said upper portion. The invention also relates to a bicycle disc brake comprising a pair of pads of the type described above.

A brake device of a transmission includes a first brake provided in a transmission including an outer cone and an inner cone, a second brake provided at one end of the first brake and operated at the time of a low stage or backward movement, and an elastic body provided between the first brake and the second brake to operate the first brake or the second brake depending on a spring load.

A bicycle fork includes a pair of fork leg assemblies, each of the leg assemblies having an upper leg telescopingly engaged with a lower leg. A damping assembly is provided in at least one of the legs. The damping assembly includes lock-out and blow-off compression circuits. These compression circuits are externally adjustable without tools. Furthermore, these two compression circuits may be adjusted independently of each other.

A damper assembly includes a housing and rod supported by the housing. A piston assembly is attached to the rod, and is positioned to separate an interior chamber of the housing into a first fluid chamber and a second fluid chamber. The piston assembly includes an annular plate that defines at least one orifice. The orifice interconnects the first fluid chamber and the second fluid chamber in fluid communication. The damper assembly includes a piezoelectric device that is moveable between a disengaged position and an engaged position, in response to a control signal. When disposed in the disengaged position, the piezoelectric device does not affect fluid flow through the at least one orifice. When disposed in the engaged position, the piezoelectric device does affect fluid flow through the at least one orifice, to adjust a damping rate of the piston assembly.

A linear displacement damper structure includes a screw shaft, a metallic disk, a screw barrel, a controlling member, and a driving member. The screw shaft is fixed in a position, connected to the metallic disk, and threaded with the screw barrel. The screw barrel is connected to an external device and driven by the external device to perform a linear displacement along a length direction of the screw shaft relative to the screw shaft, so that the screw shaft drives the screw shaft and the metallic shaft. The controlling member has a permanent magnet and is disposed near to the metallic disk, so that the metallic disk generates a magnetic resistance to reduce the rotation speed of the metallic disk. The driving member drives the controlling member to move to change a distance between the controlling member and the metallic disk to adjust the magnitude of the magnetic resistance.

A one-piece rail vehicle brake disk is made of steel or cast iron, comprises at least one effective surface with which a friction element comes in contact during a braking maneuver, and is designed in such a way that the effective surface has a plurality of blind holes.

An attachable high-manganese steel brake disk includes a first disk member including air vents disposed radially therein to be spaced apart from each other, and a pair of second disk members installed to be attached to two surfaces of the first disk member and having a braking surface in contact with a brake pad. Between the first disk member and the second disk members, at least the second disk members are provided as high manganese steel members.

An electro-mechanical brake device may include: a driver configured to generate rotary power; a first gear connected to an output shaft of the driver, and the first gear configured to rotate with the output shaft; a second gear installed in a direction crossing the first gear, engaged with the first gear, and configured to rotate with the first gear; a third gear engaged with the second gear and configured to rotate with the second gear, the third gear having a rotating gear bar installed in parallel to the output shaft and configured to rotate with the output shaft; a moving nut engaged with the third gear and configured to move linearly; and a piston installed in a shape covering an outside of the moving nut, and pushed by the moving nut so as to pressurize a brake pad.

The invention relates to a brake system, in particular wedge drum brake for utility vehicles, comprising a transmission element and a piston element, wherein the transmission element is guided displaceably along a transmission axis, wherein the piston element is guided displaceably transversely with respect to the transmission axis, wherein the transmission element has a transmission surface which is oriented in an inclined manner with respect to the transmission axis, wherein the piston element is supported with a piston surface on the transmission surface, wherein a displacement of the transmission element along the transmission axis brings about a displacement of the piston element substantially transversely with respect to the transmission axis.

The present invention relates to a brake system comprising an actuating part and a brake part, the actuating part having a pressure chamber and a restoring section, the pressure chamber and the restoring section being separated from one another in a fluid-tight manner by way of a piston, it being possible for the piston to be fixed on an engagement element in such a way that a movement of the piston brings about a movement of the engagement element, the engagement element protruding into the brake part and having, in the brake part, a force section which is designed to transmit a force to a brake means, the brake part and the predominant part of the actuating part being arranged in a housing.

An adjuster assembly for manually adjusting the position of a brake pad relative to a brake rotor of a disc brake, the assembly comprising: a continuous wear sensor; and a manual rewind apparatus to manually reset the position of the brake pad when replacement thereof is required; the manual rewind apparatus comprising a shaft arranged to extend into a housing of the disc brake; wherein the continuous wear sensor is arranged to be located within the housing of the disc brake and is located proximate to the shaft.

An adjustment control for adjusting a damping curve of a shock absorber includes an aperture seat coupled to a base of the shock absorber. The aperture seat defines a flow tube. A plug, in mechanical communication with a spring, slidably engages the flow tube. A plug nut is threadably coupled to an adjustment nut shaft stud and is in mechanical communication with the spring. An adjustment nut is coupled to the base. The adjustment nut has a non-circular cavity to receive at least a portion of the adjustment nut shaft stud and at least a portion of the non-circular region of the plug nut such that the plug nut cannot rotate relative to the non-circular cavity of the adjustment nut. An adjustment knob causes rotation of the adjustment nut shaft stud. The rotation of the adjustment nut shaft stud causes axial movement of the plug nut.

A rollator braking system for a rollator includes two handles, two brake lever assemblies, and two wires. The rollator includes a frame and a plurality of wheels attached to the frame for moving the rollator. The two handles are adjustably connected to the frame, and each handle including a gripping member. Each of the two brake lever assemblies include a bracket fixedly connected to the handle and a lever rotatably connected to the bracket to rotate towards and away from the gripping member when in an unlocked position, and fixedly connected to the bracket when in a locked position. Each of the two wires are operably connected between a lever assembly and a brake on one of the wheels such that when the lever is rotated towards the gripping member, the brake slows rotation of the wheel, and when the lever is in the locked position the brake stops the rotation of the wheel.

The present disclosure provides a torque tube comprising a barrel portion disposed between a flange and a back leg, the flange extending radially inward towards an axis of rotation and the back leg extending radially outward from the barrel portion. The torque tube further comprises a channel defined by a channel wall and disposed in at least one of the barrel portion and the flange, the channel being configured to receive a sacrificial member.

The present disclosure provides systems for mitigating brake vibration. In various embodiments, a brake force distribution arrangement may comprise: a member in operable communication with an actuator having at least two contact surfaces such that as one of the at least two contact surfaces moves in a direction of actuation of the actuator the other moves in a direction opposite to the direction of actuation of the actuator.

A torque tube for use in a disk brake system in accordance with various embodiments includes a backleg having a reaction plate and a foot extending axially away from the reaction plate. The torque tube also includes a barrel having a tubular structure having an axis and an inner surface configured to receive the foot.

A method of treating a carbon structure is provided. The method may include the step of infiltrating the carbon structure with a ceramic preparation comprising yttrium oxides and zirconium oxides. The carbon structure may be densified by chemical vapor infiltration (CVI) and heat treated to form yttrium oxycarbides and/or carbides and zirconium oxycarbides and/or carbides. Heat treating the carbon structure may comprise a temperature ranging from 1000° C. to 1600° C.

A method for forming a vehicular brake rotor involving loading a shaped metal substrate with a mixture of metal alloying components and ceramic particles in a dieheating the contents of the die while applying pressure to melt at least one of the metal components of the alloying mixture whereby to densify the contents of the die and form a ceramic particle-containing metal matrix composite coating on the metallic substrate; and cooling the resulting coated product.

A disc brake rotor including a hub portion and a brake disc is provided. The brake disc extends radially outward from the hub portion and includes an outboard disc face and an inboard disc face. A plurality of channels are disposed in the brake disc that are circumferentially spaced from one another. Any one channel in the plurality of channels is open to either the outboard disc face or the inboard disc face. The brake disc includes an outer ring and an inner ring that are circumferentially continuous and uninterrupted along at least the outboard disc face and the inboard disc face. The outer ring is radially spaced from the inner ring with the plurality of channels disposed radially between the outer ring and the inner ring. Advantageously, this arrangement increases shear strength of the brake disc while providing enhanced cooling.

A piston manufacturing device includes a first forming device (42) configured to form an annular groove (61) in a piston (11), and a second forming device (52) configured to press an edge (15) of an opening (14) of the piston (11) toward other end side in an axial direction of the piston (11) and to form a thick section (65) extruded from an inner circumferential surface (12b) arranged between the edge (15) and the groove (61) toward an axial center side of the piston (11), wherein a recessed section (53) is formed at a portion of the second forming device (52) that is arranged to abut the edge (15) so that an inner circumferential side of the edge (15) is plastically deformed toward the other end side in an axial direction of the piston (11).

The invention relates to a vehicle disk brake having a brake-application device which provides the braking force and which is composed of a force element, preferably a pressure medium cylinder, and of a pressure-boosting lever arrangement, and having a readjustment device for compensatory readjustment of the wear-induced air clearance of the brake. The readjustment device comprises, as constituent parts, a rotatably arranged drive element (25) which can be actuated by the brake-application device, a readjustment element (26) arranged rotatably on the same axis, and a transmission device arranged in the movement path between drive element (25) and readjustment element (26). To provide a vehicle brake which is equipped with a readjustment device for compensatory readjustment of the wear-induced air clearance and in which the readjustment means is of structurally simple design and has a small number of parts, the transmission device is in the form of a helical wrap spring (30) which, along a first helix section (31), is supported radially with respect to the drive element (25) and, along a second helix section (32), is supported radially with respect to the readjustment element (26), wherein the former radial support is realized at the inner side, and the latter radial support is realized at the outer side, of the wrap spring (30).

A friction lining for a brake pad of a braking system includes a solid body of friction material having plurality of slots intersecting at a vortex zone formed as a circular recess in the friction lining. The slots open into the vortex zone at offset locations to promote circulation of air within the vortex zone. The slots extend along a horizontal arc that follows the curvature of a rotor of the braking system when in use. Vertical slots may be included that also open into the vortex zone at offset locations.

A cylinder (1), particularly for a vibration damper, includes a base (3) and a sleeve-shaped add-on part (5) which at least partially surrounds the cylinder (1) and which has at an end of the cylinder a radially inwardly directed edge profile. The edge profile (11) contacts an end face of the cylinder (1) in a noncontacting manner with respect to the base.

A mounting section mounted on a rod side is provided at one end side of a protective cover in an axial direction. At least the other end side of the protective cover in the axial direction has reduced diameter parts and enlarged diameter parts, the reduced diameter parts and the enlarged diameter parts being alternately formed in the axial direction via small diameter parts in between. An end surface of the other end side of the protective cover is formed by a surface that is cut at a position. The end surface and an outer circumferential surface of a cylinder are situated at a position at which they are not in contact with each other in the radial direction in a state in which the small diameter part closest to the end surface comes into contact with the outer circumferential surface of the cylinder.

A shock absorber is disclosed having a pressure tube forming a working chamber, and a piston assembly slidably disposed within the pressure tube. The piston assembly may divide the working chamber into upper and lower working chambers. The piston assembly may have a piston body defining a first fluid passage extending therethrough and a first valve assembly controlling fluid flow through the first fluid passage. A second fluid passage, separate from the first fluid passage, extends from one of the upper and lower working chambers to a fluid chamber defined at least in part by the pressure tube. A plurality of digital valve assemblies are included and configured to exclusively control all fluid flow through the second fluid passage, and thus all fluid flow between the one of the upper and lower working chambers to the fluid chamber.

A railcar brake beam assembly including a brake beam formation having a tension member, a compression member and strut, and with the strut defining an axis for the brake beam assembly. First and second brake head assemblies are disposed to opposite lateral sides of the axis, with each brake head assembly being operably carried by the brake beam formation and includes a guide member extending in a direction away from the axis. The first and second brake head assemblies are generally centered laterally relative to the axis of the brake beam assembly. A distal end of the guide member on the first brake head assembly is disposed a different lateral distance from the axis of the brake beam assembly than is a distal end of the guide member on the second brake head assembly to minimize lateral shifting movements while maintaining adequate clearances for permitting reciprocal moments of the brake beam assembly during application of braking forces. A method of designing a brake beam assembly for a railcar is also disclosed.

A friction disk brake system may comprise a plurality of rotor friction disks and a plurality of stator friction disks. At least one of the friction disks may be a split disk friction disk. The split disk friction disk may comprise a first disk half and a second disk half. A carbon foam damping feature may be located between the first disk half and the second disk half.

A plate assembly for a multi-disk brake system is provided. The plate assembly includes at least one of a pressure plate or an end plate and a floating plate wear liner mounted against the at least one of the pressure plate or the end plate. The floating plate wear liner is configured to contact a contact surface of an adjacent rotatable friction disk in response to the multi-disk brake system being actuated.

A brake rotor assembly can include a structural part having a receiving surface and at least one friction surface parts having a contact surface. The friction surface part can be fixably attached to the receiving surface of the structural part such that the contact surface faces away from the receiving surface of the structural surface to form at least part of an annular braking surface arranged concentrically around an axis of rotation of the structural part.

A metal matrix composite article that includes at least first and second regions, first and second reinforcement materials, a metal matrix composite material occupying the second region of the body and comprising a metal matrix material and the second reinforcement component, a preform positioned in the first region of the body and infiltrated by at least the metal matrix material of the metal matrix composite material. The article further includes a transition region located proximate an outer surface of the preform that includes a distribution of the second reinforcement component comprising a density increasing according to a second gradient in a direction toward the outer surface of the preform.

The present disclosure provides a fibrous preform, comprising an annulus having at least one of an outer diameter portion or an inner diameter portion, the outer diameter portion extending radially inward from an outer diameter of the fibrous preform and the inner diameter portion extending radially outward from an inner diameter of the fibrous preform. In various embodiments, the fibrous preform further comprises a medial diameter portion disposed between the outer diameter and the inner diameter, wherein the medial diameter portion comprises a first needling profile, and the at least one of the outer diameter portion or the inner diameter portion comprises a second needling profile. In various embodiments, the first needling profile is less than the second needling profile.

A disc brake (10) of the type including a pivoting lever having eccentric journals which act on a pair of tappets is disclosed. The tappets are adjusted in length by rotation, and each tappet has a tappet gear (22). A centrally located intermediate gear (24) is provided between the tappet gears to form a gear train, synchronizing the rotation of the two tappets and therefore ensuring that they remain the same length. The centrally located intermediate gear (24) includes a socket (26) for receiving a centrally located adjuster. The adjuster may be installed and removed from the disc brake through an aperture at the rear of the brake caliper, without any substantial disassembly of the brake and without de-synchronizing the tappets or even interrupting the gear train between the tappets.

A heat dissipation structure for a brake pad is provided for being assembled to a caliper device. The caliper device includes a caliper body, and the caliper body has a receiving space. The heat dissipation structure includes: a main body, integrally extruded from aluminum and cut to have an ultimate appearance, including a plate body and a heat dissipation portion integrally extending from the plate body, the plate body for being disposed on the caliper body and at least partially extending into the receiving space, when the main body is assembled to the caliper body, the heat dissipation portion is exposed outside the caliper body. A brake pad assembly is further provided, including a heat dissipation structure as described above, further including a brake pad, the brake pad disposed on a lateral face of the plate body.

The invention relates to a brake shoe (1) for disk or drum brakes, which comprises a supporting plate (2) with a friction pad (3) attached thereto and at least one wear indicator (4), characterized in that the wear indicator (4) has a wear sensor (6) for continuous or multi-stage measurement of the wear of the friction lining and a receiver and transmitter unit (5) for wireless signal transmission, the receiver and transmitter unit being a passive RFID (Radio Frequency Identification) or SAW (Sound Acoustic Wave) transponder.

An interdigitated cellular cushioning system includes an array of void cells protruding from each of two sheet layers interdigitated between the two sheet layers. Peaks of each of the void cells are attached to the opposite sheet layer forming the interdigitated cellular cushioning system. The interdigitated cellular cushioning system may be used to absorb and distribute a source of kinetic energy incident on the interdigitated cellular cushioning system (e.g., an impact or explosion) so that the amount of force transmitted through the interdigitated cellular cushioning system is low enough that it does not cause injury to personnel or damage to personnel and/or equipment adjacent the interdigitated cellular cushioning system.

A vehicle suspension damper comprises a cylinder and a piston assembly including a damping piston along with working fluid within the cylinder. A bypass permits fluid to avoid dampening resistance of the damping piston. A fluid path through the bypass is controlled by a valve that is shifted by a piston surface when the contents of at least one predetermined volume is injected against the piston surface which acts upon the valve. In one embodiment, the bypass is remotely operable.

An electrical connector has two portions, a first portion connectable to a device and a second portion having a contact point which is movable in relation to the first portion. The second portion having the contact point comprises a magnet configured to attract the corresponding connector. The contact point does not require a counteracting force, whereby the side magnets may be smaller or the connector may lack the side magnets entirely.

Disclosed are electronic devices and connectors, including: a first main body, a second main body; the first magnet being arranged at a first end of the first main body and the second magnet being arranged at a second end of the second main body; the first magnet having a magnetic property opposite that of the second magnet; the first main body being pluggably connected to the second main body through the interaction between the first magnet and the second magnet; the first number of spacers is arranged at a preset position of the first magnet, and the first number of spacers is arranged at a preset positions of the second magnet; and the spacers are non-magnetic. Other embodiments, including manufacturing methods, are described and claimed.

The invention provides a M.2 interface memory device and a M.2 interface connection seat insertedly provided thereof. The M.2 interface memory device comprises a M.2 interface card and a housing provided with at least one guide groove. The M.2 interface connection seat is disposed on a circuit board, and comprises two arms and a base comprising a M.2 interface slot. At least one arm is provided with a guide rail. An opening direction of the M.2 interface slot is horizontal to a surface of the circuit board. When the M.2 interface card is inserted into the M.2 interface slot in a horizontal direction, the M.2 interface memory device will be fixed within the M.2 interface connection seat by embedding between the guide groove and the guide rail. Thus, M.2 interface memory devices of a variety of specification lengths are able to be inserted into the M.2 interface connection seat.

Connector latch used to securely hold together a connector apparatus, such that the connector apparatus has at least a first connector assembly and a second connector assembly which can be mated together. Initially, after the connector latch is manufactured, the connector latch is in an undeflected position. After manufacture, the connector latch is subjected to a pre-mating deflection process, in order to move the connector latch into a preloaded position. After the pre-mating deflection process has been completed, the connector latch is locked in the preloaded position. The preloaded connector latch provides a number of desirable characteristics, including at least an extra loud “click” sound when the first connector assembly and the second connector assembly are mated together.

A connector includes a connector main member and an operation member. The operation member covers the connector main member at least in part in a plane perpendicular to a front-rear direction, The operation member is movable between a front limitation position and a rear limitation position. The operation member has, therein, a front regulating portion accommodation portion accommodating the front regulating portion, and an operated portion accommodation portion accommodating the operated portion. The front regulating portion accommodation portion is provided, therein, with a front regulated portion which is brought into abutment with the front regulating portion when the operation member is positioned at the front limitation position. When the operation member is moved to the rear limitation position, the operated portion accommodation portion is provided, therein, with an operating portion which presses the operated portion inward of the connector main portion and moves the lock portion to a released position.

In one example an electronic device comprises at least one electronic component, a chassis comprising a first section, a connector to connect the first section of the chassis to a second section, the connector comprising a housing defining a first shaft, a retention structure disposed in the shaft, and a plurality of electrical contacts positioned within a corresponding plurality of channels in the retention structure. Other examples may be described.

Connector latch used to securely hold together a connector apparatus, such that the connector apparatus has at least a first connector assembly and a second connector assembly which can be mated together. Initially, after the connector latch is manufactured, the connector latch is in an undeflected position. After manufacture, the connector latch is subjected to a pre-mating deflection process, in order to deflect the connector latch into a preloaded position. After the pre-mating deflection process has been completed, the connector latch is locked in the preloaded position. The preloaded connector latch provides a number of desirable characteristics, including at least an extra loud “click” sound when the first connector assembly and the second connector assembly are mated together.

An electrical connector includes first and second connector parts and an electrical connection detector. The electrical connection detector includes a contact spring with a spring contact on the first connector part and a contact strip on the second connector part. The electric connection detector establishes an electrical connection between the contact spring and the contact strip when the connector parts are joined together. The second connector part includes an electrically insulating protrusion which forms a guide bevel that rises in a joining direction of the first connector part toward the second connector part. The spring contact is guided over the guide bevel, rests behind the protrusion, and physically contacts the contact strip when the connector parts are joined together to thereby establish an electrical connection between the contact spring and the contact strip.

A connector is disclosed. The connector has a plug and a jack receiving the plug. The plug has a plug housing surrounding a plurality of plug contacts and including a plurality of symmetric male fit sections. The jack has a jack housing supporting a plurality of jack contacts corresponding to the plurality of plug contacts. The jack housing includes a plurality of symmetric female fit sections.