Abstract: A pad clip in which a circumferential dimension from a first contact portion in contact with a side surface of a coupling portion, which is disposed on the other side in the circumferential direction, on the one side in the circumferential direction in a fixing portion disposed on the other side to a side surface of a sandwiched plate portion on the one side is available to be set independently of a circumferential dimension from a first contact portion to a second contact portion in contact with the side surface of the coupling portion, which is disposed on the one side, on the other side in the fixing portion disposed on the one side. The side surface of the sandwiched plate portion is in surface contact with a torque-receiving surface regardless of bending deformation generated in a main body portion based on elastic deformation of a pressing portion.

Abstract: This floating-type disc brake device (1) is configured to comprise an inner pad (4), an outer pad (5), a support (2), and a caliper body (3). An overhanging part (32) is provided to substantially the entirety of a portion that is of an outer body part (21) constituting the caliper body (3) and that faces a substrate part (49b) of the outer pad (5) in the axial direction. An axially inner surface of the overhanging part (32) has formed thereon a projecting abutment part (33) where the area of a portion that faces a radially inner half of the substrate part (49b) in the axial direction is greater than the area of a portion that faces a radially outer half of the substrate part (49b) in the axial direction. At the time of braking, only the leading end surface of the projecting abutment part (33) is brought into contact with an axially outer surface of the substrate part (49b).

Abstract: A floating disc brake device includes: an inner pad; an outer pad; a support; and a caliper body. The support includes an inner guide portion configured to support the inner pad such that the inner pad is movable in an axial direction, and an outer guide portion configured to support the outer pad such that the outer pad is movable in the axial direction, on each of both circumferentially outer side portions. The caliper body includes a cylinder, and includes an inner body portion and an outer body portion. The outer body portion includes a through hole that opens only in the axial direction in at least one of a portion facing the outer guide portion in the axial direction and a portion facing a vicinity of the outer guide portion in the axial direction.

Abstract: The present invention relates to a friction material including: a friction modifier; a binder; and a fiber base material, in which as the friction modifier, cashew particles having an amount of eluted sulfate ions of 500 ppm or less and a titanate are contained, in which the cashew particles may have a content of 1.0 mass % to 7.0 mass %.

Abstract: A pad pin receiver includes a body plate is attached to an inner side of a pin insertion portion provided in a back plate of a disc brake pad. The pin insertion portion engages with a pin inserted into the pin insertion portion during braking. The body plate covers a portion of an inner peripheral surface of the pin insertion portion. A bent plate is bent at at least one end portion of the body plate in a length direction of the body plate. When the body plate is attached to the pin insertion portion, the body plate extends in a thickness direction of the back plate, and the bent plate overlaps with the back plate in the thickness direction of the back plate.

Abstract: An opposed piston type disc brake device includes: a caliper including an inner body including an inner cylinder, and an outer body including an outer cylinder; and a communication pipe disposed around the caliper and connecting the inner cylinder and the outer cylinder. The communication pipe includes a pipe body, a pair of flare nuts, and a cover tube which covers a part of the pipe body and is in contact with the caliper with a fastening margin, the cover tube being made of an elastic material. The cover tube does not have the fastening margin with respect to the caliper in a central axis direction of each of the flare nuts.

Abstract: A sintered friction material, in which a content of a copper component is 0.5 mass % or less, is provided. The sintered friction material includes a titanate and a metal material other than copper, as a matrix. A content of the metal material other than copper is 10.0 volume % to 34.0 volume %. A method for manufacturing a sintered friction material is provided. The method includes a mixing step of mixing raw materials containing a titanate and a metal material other than copper, a molding step of molding the raw materials mixed in the mixing step, and a sintering step of sintering, at 900° C. to 1300° C., a molded product molded in the molding step. In the sintered friction material, the titanate and the metal material other than copper form a matrix, and a content of the metal material other than copper is 10.0 volume % to 34.0 volume %.

Abstract: The present invention relates to an underlayer material to be used in a friction member, the underlayer material including a plant-derived resin, in which the friction member includes a friction material and a pressure plate, and the friction material includes a friction modifier, a binder, and a fiber base material. The plant-derived resin may be a lignin-modified phenol resin.

Abstract: The present invention relates to a friction material including: a friction modifier; a fiber base material; and a binder, in which 2 mass % to 12 mass % of a ?-alumina particle is contained as the friction modifier, 0.2 mass % to 0.6 mass % of an alumina fiber is contained as the fiber base material, and the friction material is free of a copper component.

Abstract: A friction material including: a friction modifier: a binder: and a fiber base material, in which an alumina fiber is contained as the fiber base material, and a content of the alumina fiber is 0.1 mass % to 1.0 mass. The alumina fiber preferably includes Al2O3 and SiO2, and a chemical composition ratio of Al2O3 and SiO2 is preferably Al2O3:SiO2=70:30 to 80:20.

Abstract: A position detection device includes a position sensor including a coil and a magnetic core, and a signal processor. The signal processor generates a rectangular wave voltage applied to the coil, converts a current which flow through the coil by the rectangular wave voltage into a voltage and outputs the voltage, and acquires a voltage measurement value obtained by sampling the output voltage after predetermined time in synchronization with a timing of rising or falling of a waveform of the rectangular wave voltage. The predetermined time is set such that the voltage measurement value is restricted within a range of 40% or more and 99.999% or less with respect to a maximum value of the rectangular wave voltage when the coil is at a position where an inductance of the coil is minimum.

Abstract: A disc brake device in which a moment acts on a pad in a direction in which a rotation-in side portion is pushed up toward a radially outer side during braking, including the pad including a pin insertion portion and a clip insertion portion, a pad support member, including a pin inserted into the pin insertion portion in an axial direction, and supporting the pad so that the pad is movable in the axial direction, and a pad clip, including a pad pressing portion inserted into the clip insertion portion in the axial direction, and configured to press the pad radially outward. The pad clip is configured to apply a pressing force to the pad so that a radially inner side portion of an inner peripheral surface of the pin insertion portion is pressed against a radially inner side portion of the pin.

Abstract: There is provided a disc brake device in which a plurality of annular seals that are disposed coaxially with rotation members, in which the annular seals are sandwiched in an axial direction between a caliper and a housing, and in which a position restriction portion includes: at least one caliper-side restriction portion provided on the caliper, which is disposed non-coaxially with the rotation member and is configured to serve as a reference of a position of the rotation member; and at least one housing-side restriction portion provided on the housing, which is disposed non-coaxially with an output member and is configured to serve as a reference of a position of the output member, and is configured to restrict a position of the housing with respect to the caliper by bringing the caliper-side restriction portion and the housing-side restriction portion into contact with each other.

Abstract: A friction material includes granulated hematite fired particle. The granulated hematite fired particle has 25 ?m to 300 ?m of an average particle diameter. The granulated hematite fired particle has 30 mm3/g to 300 mm3/g of a fine pore volume.

Abstract: A disc brake pad which is supported by a pair of pins to a pad support member so that the disc brake pad is movable in an axial direction, include a lining and a back plate supporting a back surface of the lining. The back plate includes a clip insertion portion where part of a pad clip is inserted in the axial direction, at an intermediate portion of a radially outer side portion in a circumferential direction, includes pin insertion portions where the pins are respectively inserted in the axial direction, at both sides of the radially outer side portion in the circumferential direction with the clip insertion portion located therebetween. The clip insertion portion includes, on a radially outer side portion of an inner peripheral surface thereof, a pressed surface where a pressing force directed radially outward is applied from the pad clip.

Abstract: A friction material comprising: (a) at least one lubricant, wherein the at least one lubricant includes an amount of graphite, and wherein at least about 30 percent by weight of the graphite has a particle size of greater than about 500 microns using a sieve analysis; (b) at least one metal containing constituent for imparting reinforcement, thermal conductivity, and/or friction when the friction material is brought into contact with a movable member, wherein the at least one metal containing constituent includes iron and an iron containing compound; (c) a micro-particulated material; (d) one or more filler materials; (e) optionally at least one processing aid; (f) a balance being an organic binder, wherein the organic binder has less than 1 percent by weight of free phenol; wherein the friction material is free of asbestos and substantially devoid of copper.

Abstract: A disc brake device includes a pair of pads, a pad support member supporting at least one of the pair of pads in a movable manner in an axial direction, and a plurality of pistons configured to press the one of the pads toward the rotor in the axial direction. Slide engagement portions engaged with the pad support member so as to be movable in the axial direction are respectively provided at both side portions of the one of the pads in a circumferential direction. The one of the pads is fixed to a tip end portion of at least one piston including a piston arranged at an end portion on a rotation-in side or a rotation-out side among the plurality of pistons, and is not fixed to a tip end portion of a remaining piston.

Abstract: There is provided a caliper for an opposed piston type disc brake, including: an inner body including an inner cylinder portion; an outer body including an outer cylinder portion; and a rotation-in side connecting portion and a rotation-out side connecting portion. The end portions on both circumferentially outer sides of the outer body are connected to the rotation-in side connecting portion and the rotation-out side connecting portion, and the outer body includes a band-shaped reinforcing rib that covers a bottom portion of the outer cylinder portion from an axially outer side so as to cross the bottom portion in a circumferential direction. The reinforcing rib includes a bottomed or bottomless cut-out portion recessed in the axial direction on at least one of both circumferentially outer side portions.

Abstract: An electromagnetic brake to restrict or prevent movement of a motor in a vehicle brake system, the electromagnetic brake includes: a core; a static plate; a moving plate located between the core and the static plate; a rotor located between the core and the moving plate; one or more legs that extend from the core; and one or more fasteners that connect the one or more legs to the static plate, the core includes a cylindrical portion and a flange that extends around the cylindrical portion, the one or more legs extend from the flange radially around the cylindrical portion.

Abstract: A brake system that includes a first brake piston and a second brake piston; a motor; a distributing assembly that includes a first output and a second output, and a deactivator. The distributing assembly distributes torque or power from the motor to the first brake piston via the first output and to the second brake piston via the second output. In a first operating configuration, the deactivator is inactive, and the distributing assembly distributes the torque or power to both of the first and second outputs such that a speed of the first output and the second output varies. In a second operating configuration, the deactivator is configured to deactivate the distributing assembly and the distributing assembly distributes the torque or power to both of the first output and the second output such that the speed of the first output and the second output is generally the same.