Patents Assigned to Akebono
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Publication number: 20150122598Abstract: A pin cap comprising: (a) a central portion including one or more through holes; (b) one or more springing arms extending from the central portion; (c) one or more contact regions; and wherein the pin cap is configured to receive a pin from a brake system so that the one or more contact regions of the pin cap contact the pin and connect the pin cap to the pin, and the one or more through holes in the central portion assist the pin cap in expanding to receive a pin so that the central portion of the pin cap creates a gripping force on the pin; and wherein the one or more springing arms bias the pin so that the pin and pin cap are substantially centrally located within a pin bore of the brake system.Type: ApplicationFiled: November 4, 2013Publication date: May 7, 2015Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.Inventors: Brad Robert Lethorn, Scott Alan Dubay
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Patent number: 8991260Abstract: A pseudo rock includes a housing, a strain sensor, a three-axis acceleration sensor, a vibration generator and a controller. The housing has an average shape and size of rocks. The strain sensor detects a stress acting in positive and negative directions of each axis with respect to three-dimensional coordinates using the center of the housing as the origin. The three-axis acceleration sensor detects acceleration acting in each axis of the three-dimensional coordinates. The vibration generator produces vibration in a specific direction with respect to the three-dimensional coordinates. The controller converts respective detected values of the strain sensor and the three-axis acceleration sensor into vibration pulses of specific patterns and outputting the vibration pulses to the vibration generator.Type: GrantFiled: August 5, 2011Date of Patent: March 31, 2015Assignee: Akebono Brake Industry Co., Ltd.Inventors: Takashi Kunimi, Shinichi Akutagawa
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Publication number: 20150083530Abstract: A dampening clip comprising: a body portion and a connecting portion extending from the body portion, the connecting portion being configured to connect the dampening clip to an adjacent component, and wherein the dampening clip includes a portion made of a supporting material and a portion made of a dampening material.Type: ApplicationFiled: September 25, 2013Publication date: March 26, 2015Applicant: Akebono Brake CorporationInventor: Brian Lewis Boyle
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Publication number: 20150060216Abstract: A full contact brake comprising: (a) an inboard housing including: an inner and outer seal groove including a seal; (b) an outboard housing including: an inner and outer seal groove including a seal; and (c) a bridge tube between the inboard housing and the outboard housing; wherein the inboard housing, the outboard housing, and the bridge tube form a housing comprising: (i) an inboard piston between the inner and outer seal groove; (ii) an outboard piston between the inner and outer seal groove; and (iii) a rotor between the inboard and outboard piston so that the inboard piston is moved towards an inboard side and the outboard piston is moved towards an outboard side of the rotor; and wherein the seal of the inboard housing forms an interference fit around the respective piston so that rotation of the inboard and outboard piston respectively are substantially prevented during a brake apply.Type: ApplicationFiled: August 27, 2013Publication date: March 5, 2015Applicant: Akebono Brake CorporationInventors: Galus Chelaidite, Gang Lou
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Patent number: 8955652Abstract: A manufacturing apparatus 10 for manufacturing a brake lining 41 is provided with a support portion 33 for supporting a brake shoe 43, a compressing portion 20 for compressively bonding a strip-shaped brake lining 41 to a rim 43b by compressing a material and a mold portion 31, 32 including a mold frame 32 for shaping lateral surfaces of the brake lining 41 and a pressing member 31 for forming a frictional surface 41a of the brake lining 41 by pressing the material, so as to shape the brake lining 41. The mold frame 32 has a first molding surface 32a for shaping a first side plane 41b, a second molding surface 32b for shaping a second side plane 41c and a third molding surface 32c disposed at a boundary portion between the first molding surface 32a and the second molding surface 32b for continuously connecting the first molding surface 32a with the second molding surface 32b by a curved surface.Type: GrantFiled: January 7, 2009Date of Patent: February 17, 2015Assignee: Akebono Brake Industry Co., Ltd.Inventors: Hidetoshi Hishinuma, Takanori Omiya
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Publication number: 20150041259Abstract: A pressure plate comprising: one or more pin holes that include: (a) a leading end; (b) a trailing end; (c) a bottom connecting the leading end to the trailing end; (d) a dampening chamfer; and (e) a top extending between the leading end and the trailing end, and being connected directly to the leading end or the trailing end on one side and an opposing end of the top is connected to the leading end or the trailing end by the dampening chamfer; wherein the dampening chamfer is configured so that when the pressure plate is installed in a brake system and a pin extends through each of the one or more pin holes, movement of the pressure plate during non-braking conditions is redirected by the dampening chamfer.Type: ApplicationFiled: December 23, 2013Publication date: February 12, 2015Applicant: Akebono Brake Industry Co., Ltd.Inventors: Ryohei Ishizuka, Kohei Noma
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Patent number: 8936137Abstract: Some of the components of a parking brake mechanism are incorporated between an inner side case and an outer side case, the two case and are combined by engaging lock holes and lock claws, and an inner side auxiliary assembly is formed. In this state, the diameter of circumscribed circle of the lock claws is configured to be smaller. Then, when the inner side auxiliary assembly is incorporated in the cylindrical space, the two lock claws are engaged with a lock concave which is formed on the inner peripheral surface of the cylindrical space by making the two lock claws protrude greatly from the outer peripheral surface of the inner side case.Type: GrantFiled: January 26, 2011Date of Patent: January 20, 2015Assignee: Akebono Brake Industry Co., Ltd.Inventors: Kazuhiro Yoshikawa, Shinichi Yamadera
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Patent number: 8919232Abstract: In a process of transporting a strip-shaped optical film F, the optical film F is cut to a predetermined length. Thereafter, the sheet-like optical films F divided by the cutting are intermittently transported while the strip-shaped optical film F is fed by the predetermined length such that a portion to be cut next reaches a cutting action position. Further, a leading one of the sheet-like optical films F in the intermittent transport process is transported to a continuous transport process such that a rear end thereof passes the intermittent transport process in a subsequent intermittent transport operation. Herein, the sheet-like optical film F is transported to the downstream-side continuous transport process following the intermittent transport process to continuously transport the optical film F.Type: GrantFiled: October 22, 2013Date of Patent: December 30, 2014Assignees: Nitto Denko Corporation, Akebono Machine Industries Co., Ltd.Inventors: Junpei Kozasa, Shoji Negishi
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Publication number: 20140360822Abstract: A disc brake pad assembly includes a pair of locking bent portions formed at circumferential end portions of an inner shim plate by being bent towards an opposite side to a pressure plate. Locking through holes are formed individually at base end portions of the locking bent portions. A pair of locking projecting pieces are individually formed so as to project circumferentially from an outer main body portion included in an outer shim plate. A distance between distal edges of the locking projecting pieces is larger than a space between the locking bent portions, and a circumferential length defined between radial side portions of the locking projecting pieces is shorter than the space. The inner main body portion and the outer main body portion are superposed on each other in a state that the locking projecting pieces are brought into engagement with the locking through holes.Type: ApplicationFiled: September 13, 2012Publication date: December 11, 2014Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.Inventors: Daisuke Kobayashi, Yoshihiro Hirata
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Publication number: 20140339028Abstract: A disc brake pad assembly includes a pad and a shim plate. The shim plate includes locking pieces which are bent from a main body portion towards a pressure plate. The locking pieces are brought into abutment with circumferential edge portions of the pressure plate so as to be displaced in a rotating direction of a rotor. Projecting portions are formed at portions of the circumferential edge portion which are brought into abutment with one surface of each of the locking pieces. A circumferential central portion of a part of each of the projecting portions which faces the one surface projects further than both circumferential end portions thereof. The circumferential edge portion and the one surface of each of the locking pieces are spaced apart from each other at portions of the one surface which lie close to both circumferential end portions thereof.Type: ApplicationFiled: September 13, 2012Publication date: November 20, 2014Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.Inventors: Daisuke Kobayashi, Yoshihiro Hirata
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Publication number: 20140339026Abstract: A spreader spring comprising: (a) a locking arm that connects the spreader spring to a brake component; (b) a retraction arm; and (c) a bias device located between the locking arm and the retraction arm; wherein the bias device includes six helical loops or more that store energy during a brake apply and once the brake apply is complete assist in retracting a brake pad.Type: ApplicationFiled: May 14, 2013Publication date: November 20, 2014Applicant: Akebono Brake CorporationInventors: Kenneth Eric Gutelius, Muhammad Farooq
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Publication number: 20140342899Abstract: A friction material contains: at least one kind of a titanate compound having a shape having a plurality of convex portions; and a bio-soluble inorganic fiber. In the titanate compound, a three-dimensional shape of a particle thereof has a plurality of convex portions.Type: ApplicationFiled: September 13, 2012Publication date: November 20, 2014Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.Inventors: Eri Itami, Hiroshi Yamamoto, Takayuki Watanabe, Katsuji Seki
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Patent number: 8869950Abstract: Disclosed is a structure such that when pad clips are to be mounted, it is possible to handle return springs and the pad clips as integral articles, thereby facilitating mounting work. Constraining sections are provided at both axial ends of each of the pad clips. Furthermore, the return springs are composed of inner spring elements and outer spring elements. These two types of spring elements are helical torsion springs provided with helical sections. Abutting sections are provided on the spring elements, respectively. The abutting sections are pressed against the inner surfaces of the constraining sections by elastic restoring forces. Moreover, the central axes of the coil sections are substantially oriented in the rotational direction of the rotor.Type: GrantFiled: April 8, 2011Date of Patent: October 28, 2014Assignee: Akebono Brake Industry Co., Ltd.Inventors: Toshifumi Maehara, Daisuke Kobayashi
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Patent number: 8857576Abstract: A disc brake apparatus includes a boot including a fitting part. A slide pin is fixed to one of a support and a caliper and is slidably mounted to a guide hole formed in the other. Convex parts extending in a sliding direction of the slide pin are circumferentially arranged on an inner periphery of the fitting part. Concave recesses are respectively formed between the neighboring convex parts. Each of the convex parts is formed with at least one a low-height portion and a high-height portion in an axial direction of a rotor, respectively. Positions of the low-height portion and the high-height portion in a circumferential direction of the rotor are respectively different between the adjacent convex parts. The high-height portion has a height so as to contact the slide pin, and the low-height portion has a height so as not to contact the slide pin.Type: GrantFiled: December 21, 2012Date of Patent: October 14, 2014Assignee: Akebono Brake Industry Co., Ltd.Inventors: Daisuke Kobayashi, Yoshihiro Hirata, Yasuaki Ogawa
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Publication number: 20140230551Abstract: An acceleration sensor circuit 1 of the invention includes an acceleration sensor 11 having a first capacitor C1 whose capacitance changes according to a position of a first movable electrode and a second capacitor C2 whose capacitance changes as opposed to the first capacitor according to a position of a second movable electrode moved together with the first movable electrode, a first circuit 15A for generating a sinusoidal AC signal of a predetermined frequency, a second circuit 12 for generating a signal according to the positions of the movable electrodes, and an arithmetic circuit 14 for analyzing data in which a signal generated by the second circuit 12 is encoded and outputting data of acceleration.Type: ApplicationFiled: September 28, 2012Publication date: August 21, 2014Applicants: AKEBONO BRAKE INDUSTRY CO., LTD., JAPAN OIL, GAS AND METALS NATIONAL CORPORATIONInventors: Takashi Kunimi, Toru Sekine
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Patent number: 8794396Abstract: A caliper comprising: a piston bore and a seal groove located in the piston bore proximate to an open end of the piston bore, the seal groove comprising: a front wall; a rear wall; a bottom wall spanning between and connecting the front wall to the rear wall; a projection in a central region of the bottom wall suitable for allowing twisting of a seal during a brake retract and/or brake release; wherein the rear wall diverges away from the front wall as the rear wall extends away from the bottom wall and towards the bore surface.Type: GrantFiled: October 4, 2011Date of Patent: August 5, 2014Assignee: Akebono Brake Industry Co., Ltd.Inventor: Galus Chelaidite
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Publication number: 20140166410Abstract: A wear indicator comprising; (a) a connector that attaches the wear indicator to a brake pad, the brake pad including a friction material having a plane; (b) a scraper; and (c) art indicator portion; wherein the indicator portion forms a cantilever connection with the scraper and extends parallel to the plane of the friction portion.Type: ApplicationFiled: December 13, 2012Publication date: June 19, 2014Applicant: AKEBONO BRAKE CORPORATIONInventor: Brian Lewis Boyle
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Publication number: 20140158483Abstract: A disc brake caliper includes an outer body, an inner body, and joining parts connecting the inner body and the outer body with each other at both end portions in a circumferential direction of a rotor so as to form an opening part. An inward end edge of both end edges in the circumferential direction of at least one of the joining parts, which defines an end part of the opening part in the circumferential direction, is inclined relative to an axial direction of the rotor towards a central part in the circumferential direction of the outer body from the inner body side to the outer body side, so that a length of the opening part in the circumferential direction is shortened from the inner body side to the outer body side.Type: ApplicationFiled: November 26, 2013Publication date: June 12, 2014Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.Inventors: Yosuke MIYAHARA, Kenichi SHIMAMURA
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Publication number: 20140124306Abstract: A device comprising one or more movable links adjacent to and spanning between two opposing brake pads along an axis, wherein the one or more movable links connect the two opposing brake pads so that the brake pads remain in a substantially parallel relationship as the two opposing brake pads move relative to each other along the axis when contacted by a rotor during a free running condition, and wherein dimensions of the one or more movable links remain constant during a brake apply, a brake retract, the free running condition, or a time therebetween.Type: ApplicationFiled: November 6, 2012Publication date: May 8, 2014Applicant: AKEBONO BRAKE CORPORATIONInventor: Galus Chelaidite
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Patent number: 8714316Abstract: An electric brake device includes a brake pad, an axial force sensor and a controller. The brake pad is pressed against a rotation face of a brake rotor in a direction perpendicular to the rotation face. The axial force sensor detects a pressure of the brake pad. The controller performs a speed reduction control which is an operation target, based on at least one of the pressure of the brake pad and a reduced speed obtained from a wheel speed sensor.Type: GrantFiled: December 9, 2010Date of Patent: May 6, 2014Assignee: Akebono Brake Industry Co., Ltd.Inventor: Hidekazu Hori