Patents Assigned to Akebono
  • COMPOSITE DISC ROTOR
    Publication number: 20130153344
    Abstract: A composite disc rotor includes a disc main body, a coupling bracket and coupling units. Each of the coupling units includes a bobbin, a clip and a coupling bolt. A head part of the bobbin includes a torque receiving portion inserted in the notch and a projection projected in a circumferential direction from an end of the torque receiving portion. A pipe part of the bobbin is extended from the head part and is fitted in a coupling through hole of the disc main body. The clip includes a connecting portion between the torque receiving portion and the notch and a pressing portion extended from the connecting portion between the head part and the coupling bracket. The coupling bolt is inserted into each of through hole of the bobbin to fix the coupling bracket to the coupling unit.
    Type: Application
    Filed: December 14, 2012
    Publication date: June 20, 2013
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.
    Inventor: AKEBONO BRAKE INDUSTRY CO., LTD.
  • FRICTION MATERIAL
    Publication number: 20130158162
    Abstract: There is provided a friction material. The friction material includes a fibrous material, a friction modifier, and a binder. The friction material contains potassium titanate powders, steel fibers, calcium pyrophosphate and iron oxide. An amount of the potassium titanate powders may be 10 to 30 mass %. An amount of the steel fibers may be 1 to 7 mass %. An amount of the calcium pyrophosphate may be 5 to 20 mass %. An amount of the iron oxide may be 1 to 5 mass %.
    Type: Application
    Filed: September 1, 2011
    Publication date: June 20, 2013
    Applicants: AKEBONO BRAKE INDUSTRY CO., LTD., NISSAN MOTOR CO., LTD.
    Inventors: Naoki Hatano, Yoshio Ogata, Takayuki Fukui, Masahiro Mochida, Yasunori Takahashi
  • DRUM BRAKE TYPE ELECTRIC PARKING BRAKE APPARATUS
    Publication number: 20130153349
    Abstract: There is provided a drum brake type electric parking brake apparatus includes an electric actuator unit, a backing plate and a knuckle. The electric actuator unit includes an electric motor and a decelerator, and expands a gap between one end portions of the brake shoes based on activation of the electric motor. The electric actuator unit is separately provided from the backing plate. The electric actuator unit is arranged at an inner-side surface of the knuckle, and the backing plate is arranged at an outer-side surface of the knuckle. The backing plate and the electric actuator unit are supported and fixed to the knuckle.
    Type: Application
    Filed: December 11, 2012
    Publication date: June 20, 2013
    Applicant: Akebono Brake Industry Co., Ltd.
    Inventor: Akebono Brake Industry Co., Ltd.
  • HEAT TRANSFER PREVENTER
    Publication number: 20130146409
    Abstract: An article comprising: a heat transfer preventer, the heat transfer preventer comprising: a body portion and one or more convection plates, the one or more convection plates being connected to and extending from the body portion; wherein the body portion includes one or more unitary attachment devices extending therefrom for attachment to a piston, a brake pad, or both.
    Type: Application
    Filed: December 13, 2011
    Publication date: June 13, 2013
    Applicant: AKEBONO CORPORATION
    Inventor: Brian Lewis Boyle
  • PROTECTION CLIP FOR TORQUE RECEIVING PART AND METHOD OF FORMING ATTACHING RECESS THEREOF
    Publication number: 20130133999
    Abstract: There is provided a protection clip for a torque receiving part. The protection clip is fitted into a concave portion of a torque receiving part of a caliper body, into which a lug part of a brake pad of a disc brake is inserted. The protection clip includes first and second separation preventing claws. The first separation preventing claw is bent from an outer periphery-side wall surface of the concave portion toward an upper attaching surface of the torque receiving part, and is configured to be fitted into one of a pair of recesses formed over an opening of the concave portion. The second separation preventing claw is bent from a lower attaching surface of the torque receiving part toward the concave portion, and is configured to be fitted into the other of the pair of recesses.
    Type: Application
    Filed: November 28, 2012
    Publication date: May 30, 2013
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.
    Inventor: AKEBONO BRAKE INDUSTRY CO., LTD.
  • SINGLE ABUTMENT CALIPER
    Publication number: 20130126280
    Abstract: A caliper comprising: a piston bore; one or more fingers; a bridge connecting the piston bore and the one or more fingers; a pin bore in the caliper; a guide pin bore in the caliper, the guide pin bore including a groove; and a bushing that extends into the guide pin bore so that a portion of the bushing is located inside of the guide pin bore and a portion of the bushing is located outside of the guide pin bore; wherein the bushing further extends into the groove in the guide pin bore.
    Type: Application
    Filed: November 22, 2011
    Publication date: May 23, 2013
    Applicant: Akebono Corporation
    Inventor: Kenneth Eric Gutelius
  • PSEUDO ROCK AND ANALYSIS SYSTEM USING THE SAME
    Publication number: 20130125662
    Abstract: 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: Application
    Filed: August 5, 2011
    Publication date: May 23, 2013
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.
    Inventors: Takashi Kunimi, Shinichi Akutagawa
  • PISTON WITH IMPROVED DISPLACEMENT PROPERTIES
    Publication number: 20130092488
    Abstract: A brake pad actuating device comprising: a piston including: a first pocket; an opposing second pocket; and an internal wall located in the piston separating the first pocket and the second pocket, wherein the volume of the first pocket to the volume of the second pocket form a ratio of less than about 20:1; and wherein the piston is adapted to be used as a brake piston.
    Type: Application
    Filed: December 4, 2012
    Publication date: April 18, 2013
    Applicant: AKEBONO BRAKE CORPORATION
    Inventor: Akebono Brake Corporation
  • FRICTION MATERIAL
    Publication number: 20130096228
    Abstract: In accordance with the present invention, there is provided a friction material. The friction material of the present invention includes a fibrous material, a binder, and a friction modifier. The friction modifier contains an artificial graphite and an inorganic filler. The artificial graphite has an average particle diameter of 1,000 to 3,000 ?m. The inorganic filler has a plurality of convex parts.
    Type: Application
    Filed: June 16, 2011
    Publication date: April 18, 2013
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.
    Inventors: Hiroshi Yamamoto, Rie Sugie, Masayo Shitara, Akihiro Hikichi
  • SEAL GROOVE WITH A PROJECTION
    Publication number: 20130081910
    Abstract: 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: Application
    Filed: October 4, 2011
    Publication date: April 4, 2013
    Applicant: Akebono Corporation
    Inventor: Galus Chelaidite
  • Pad retraction device
    Patent number: 8397880
    Abstract: A clip comprising: a body portion; one or more arms connected to the body portion and projecting away from the body portion; a deformable portion of the one or more arms that is distal from the body portion; and a lip on the one or more arms that is proximate to the body portion.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: March 19, 2013
    Assignee: Akebono Brake Corporation
    Inventor: Galus Chelaidite
  • Spreader spring
    Patent number: 8393441
    Abstract: A brake assembly comprising: at least one brake spring that includes: a first arm; a second arm, the first arm and the second arm forming a first arm plane; and a body portion between and connecting to the first arm and the second arm, the body portion forming a body plane, the body plane being at an angle relative to the first arm plane; wherein the at least one brake spring is between and in communication with a pressure plate of at least two brake pads.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: March 12, 2013
    Assignee: Akebono Brake Corporation
    Inventor: Kenneth Eric Gutelius
  • Pad retraction device
    Patent number: 8376092
    Abstract: A device comprising: a pair of opposing legs; a bridge between and connecting the pair of legs; a pair of retraction spring arms attached to the outside of each of the legs; the retraction spring arms each comprising: a guide support tab connected to each of the pair of opposing legs wherein the retraction spring arms assist in retracting a pair of brake pads, and the guide support tabs guide the retraction spring arms during movement.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: February 19, 2013
    Assignee: Akebono Brake Corp.
    Inventor: Brad Robert Lethorn
  • COMPRESSION MOLDING APPARATUS AND MOLDING DIE
    Publication number: 20130040012
    Abstract: Disclosed are a compression molding apparatus and a molding die, whereby efficient hot-molding is performed. The compression molding apparatus performs a molding by providing a raw material into the molding die, and applying heat and pressure to the material. The apparatus is provided with: a first molding die, which forms a molding frame that surrounds a region where the raw material is compression-molded; a second molding die, which compresses the raw material provided into the molding frame; and a heat source section, which supports and heats the second molding die. The second molding die has: a first heat pipe, which has one end positioned on the heat source section side, and the other end positioned on the side of a pressing surface that presses the raw material; and a heat insulating layer, which wraps the first heat pipe along the longitudinal direction of the first heat pipe.
    Type: Application
    Filed: March 8, 2011
    Publication date: February 14, 2013
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.
    Inventors: Rie Sugie, Toshihiro Hoshi, Tadahiro Mita, Kunihiro Fukue, Atsushi Koda, Kazuya Ayabe
  • FLOATING DISC BRAKE, METHOD OF ASSEMBLING SAME, AND ASSEMBLIES CONSISTING OF PAD CLIPS AND RETURN SPRINGS
    Publication number: 20130025981
    Abstract: 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: Application
    Filed: April 8, 2011
    Publication date: January 31, 2013
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD
    Inventors: Toshifumi Maehara, Daisuke Kobayashi
  • BLEEDER PLUG
    Publication number: 20130008547
    Abstract: A bleeder plug is provided with a bleeder body having a nipple portion and a threaded portion and being provided with a through hole extending from the nipple portion-side end to the threaded portion-side end; a seat pin having a press fitting portion to be press-fitted in an opening of the through hole at the threaded portion-side in the bleeder body and a seat portion blocking a bleeder hole, and a groove formed in a contact surface between the bleeder body and the seat pin and communicating the opening of the through hole at the nipple portion-side with an outside space via the contact surface.
    Type: Application
    Filed: March 15, 2011
    Publication date: January 10, 2013
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD
    Inventor: Yukio Iwata
  • Piston with improved displacement properties
    Patent number: 8348030
    Abstract: A brake pad actuating device comprising: a piston including: a first pocket; an opposing second pocket; and an internal wall located in the piston separating the first pocket and the second pocket, wherein the volume of the first pocket to the volume of the second pocket form a ratio of less than about 20:1; and wherein the piston is adapted to be used as a brake piston.
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: January 8, 2013
    Assignee: Akebono Brake Corporation
    Inventors: Amar Alamin, Eric J. Roszman
  • DISC BRAKE APPARATUS WITH PARKING MECHANISM
    Publication number: 20120292137
    Abstract: 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: Application
    Filed: January 26, 2011
    Publication date: November 22, 2012
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.
    Inventors: Kazuhiro Yoshikawa, Shinichi Yamadera
  • DISC BRAKE APPARATUS WITH ELECTRIC PARKING MECHANISM
    Publication number: 20120292141
    Abstract: An electric thrusting unit for a disc brake with an electric parking mechanism includes a worm reduction gear and a thrust generation mechanism. The thrust generation mechanism converts rotational movement transmitted by way of the worm reduction gear into linear movement. A worm wheel of the worm reduction gear is supported on the thrust generation mechanism concentrically with a rotational member of the thrust generation mechanism. A drive side gearwheel and a driven side gearwheel are meshed with an output shaft of the electric motor directly or by way of an additional gearwheel so as to transmit a rotational force of the output shaft to the worm. The drive side gearwheel is provided concentrically with the output shaft and so as to rotate together therewith. The driven side gearwheel is provided on a part of the worm concentrically with the worm and so as to rotate together therewith.
    Type: Application
    Filed: February 2, 2011
    Publication date: November 22, 2012
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.
    Inventor: Kimio Takahashi
  • FRICTION MATERIAL AND METHOD FOR PRODUCING FRICTION MATERIAL
    Publication number: 20120259036
    Abstract: To provide a highly heat-resistant brake pad adaptable to high temperatures/high loads and producible only by adding a baking step to the same production process as that for an organic friction material. A friction material comprising a fibrous material, a friction modifier, a binder and an inorganic material, wherein a silicon-containing polymer is blended as a binder and after thermoforming, the polymer is heat-treated in an oxidizing atmosphere at a temperature of 160 to 350° C. for 1 to 10 hours to cause crosslinking with oxygen and then, subjected to a baking treatment. As the silicon-containing polymer, one compound or two or more compounds are preferably selected from the group consisting of polycarbosilane, polyorganoborosilazane, polyborosiloxane, polycarbosilazane, and perhydropolysilazane.
    Type: Application
    Filed: December 22, 2010
    Publication date: October 11, 2012
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.
    Inventors: Yuki Takahashi, Shou Kurihara