Patents Represented by Attorney James A. Deland
  • Patent number: 7379798
    Abstract: A bicycle display apparatus comprises a computing component and a separate display component. The computing component is structured for attachment to the bicycle, calculates cumulative information produced from a bicycle-related running condition, and includes an information output for outputting the calculated cumulative information. The display component includes an information input that receives the cumulative information calculated by the computing component, and the display component displays the cumulative information calculated by the computing component.
    Type: Grant
    Filed: February 25, 2004
    Date of Patent: May 27, 2008
    Assignee: Shimano, Inc.
    Inventors: Kazuhiro Takeda, Haruyuki Takebayashi
  • Patent number: 7340975
    Abstract: A bicycle control apparatus comprises a first position setting member having a plurality of first positioning members with a first pitch, an operating member that rotates relative to the position setting member, and a second position setting member structured to rotate with the operating member and to move axially. The second position setting member has a plurality of second positioning members with a second pitch, wherein the first pitch is different from the second pitch. The first pitch and the second pitch are set so that an engagement pitch between a first engagement position of the second position setting member and a second engagement position of the second position setting member that results from rotation of the operating member is less than both the first pitch and the second pitch.
    Type: Grant
    Filed: December 21, 2004
    Date of Patent: March 11, 2008
    Assignee: Shimano, Inc.
    Inventor: Tatsuya Kawakami
  • Patent number: 7320655
    Abstract: A bicycle derailleur comprises a first base member structured to be detachably mounted to a bicycle frame, wherein the first base member has a first abutment; a second base member structured to be mounted to the first base member, wherein the second base member has a second abutment that faces the first abutment of the first base member and the first and second base members define a housing space between them; a drive mechanism at least partially disposed in the housing space; a link mechanism that moves in response to movement of the drive mechanism; a chain guide coupled to the link mechanism for moving a chain among a plurality of sprockets; and a misalignment inhibiting structure disposed between the first base member and the second base member to inhibit misalignment of the drive mechanism as a result of an external force.
    Type: Grant
    Filed: September 3, 2003
    Date of Patent: January 22, 2008
    Assignee: Shimano, Inc.
    Inventor: Masahiko Fukuda
  • Patent number: 7314121
    Abstract: An apparatus for mounting a brake control element to a bicycle hub brake comprises a rotating member structured to be rotatably mounted relative to a fastening bracket so that rotation of the rotating member actuates a brake mechanism, wherein the rotating member includes a brake control element mount. The rotating member also has a cable winding surface to wind a brake actuating cable thereon. A brake control element attachment unit is structured to be attached to the brake control element mount, wherein the brake control element mount includes a locking structure such that rotation of the brake control element mount relative to the brake control element attachment unit locks the brake control element attachment unit to the brake control element mount.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: January 1, 2008
    Assignee: Shimano, Inc.
    Inventors: Keiji Matsueda, Keita Tanaka
  • Patent number: 7311322
    Abstract: A control apparatus for an electrically operated bicycle transmission comprises a power supply sensor and a control unit operatively coupled to the power supply sensor. The power supply sensor senses a power characteristic of a power supply, and the control unit provides a signal to operate the bicycle transmission when the power characteristic falls below a predetermined value. Alternatively, the control apparatus comprises a running condition time sensor and a control unit operatively coupled to the running condition time sensor. The running condition time sensor senses a time interval of a running condition of a bicycle, and the control unit provides a signal to operate the bicycle transmission to a predetermined gear ratio when the time interval of the running condition passes a selected value.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: December 25, 2007
    Assignee: Shimano, Inc.
    Inventors: Satoshi Kitamura, Kazuhiro Takeda
  • Patent number: 7292006
    Abstract: A DC power supply apparatus used with a power storage element comprises a rectifier circuit that converts AC current from an alternating current generator into a DC current; an input current adjusting circuit that receives DC current from the rectifier circuit to adjust current flow from the rectifier circuit to the power storage element; an output current adjusting circuit that receives current from the power storage element and adjusts current flow from the power storage element to an output node; and a control circuit that operates at least one of the input current adjusting circuit and the output current adjusting circuit based on a predetermined condition of the power storage element.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: November 6, 2007
    Assignee: Shimano, Inc.
    Inventor: Noriyuki Horiuchi
  • Patent number: 7290458
    Abstract: A bicycle derailleur comprises a base member, a movable member for supporting a chain guide, a first link member pivotably coupled to the base member and to the movable member through respective first and second link pins, a second link member pivotably coupled to the base member and to the movable member through respective third and fourth link pins, and a motor having a drive shaft that defines a drive shaft vector. The first through fourth link pins define edges of a phantom space, wherein straight continuous phantom lines connecting ends of the first through fourth link pins in a non-crossing manner define remaining edges of the phantom space. At least a part of the primary motor housing is disposed in the phantom space, and the drive shaft vector points away from a plane containing the second and fourth link pins.
    Type: Grant
    Filed: February 24, 2004
    Date of Patent: November 6, 2007
    Assignee: Shimano, Inc.
    Inventor: Masahiko Fukuda
  • Patent number: 7291787
    Abstract: A bicycle frame member (102c) includes a wire support (13) fixed thereto and formed as a bracket or coupler to receive and retain an electrical wire unit (EW2, 11a). An apparatus (15) is used to at least partially cover the wire support (13) and comprises a wire support cover member (15b) that is integrally formed with a locking unit (15f). The wire support cover member (15b) is to be placed onto the frame member and over the wire support (13) and the locking unit is to become locked to one of the wire support (13) and the electrical wire unit (EW2, 11a). The electrical wire unit may include electrical wiring (EW2) and a rigid cover member (11a).
    Type: Grant
    Filed: July 12, 2005
    Date of Patent: November 6, 2007
    Assignee: Shimano, Inc.
    Inventor: Naohiro Nishimoto
  • Patent number: 7290779
    Abstract: A bicycle shift control apparatus comprises a threshold value setting unit that sets a threshold value of a running condition for shifting a bicycle transmission, a decision unit that decides if a current running condition value passes the threshold value, and a tentative shift unit that sets a tentative shift of the bicycle transmission when the decision unit decides that the current running condition value passes the threshold value. A canceling unit cancels the tentative shift if the decision unit decides that the current running condition value varies from a previous running condition value by a determined value.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: November 6, 2007
    Assignee: Shimano, Inc.
    Inventors: Ryuichiro Takamoto, Koji Uno, Kazuhiro Fujii
  • Patent number: 7290462
    Abstract: A bicycle twist-grip shift control device includes a base member for attachment to the bicycle; a twist-grip operating member rotatably supported relative to the base member for rotating in first and second directions around an operating member axis; a transmission control member rotatably mounted relative to the base member for controlling the pulling and releasing of a transmission control element in response to rotation of the operating member, and an intermediate member that moves in a direction of an intermediate member axis in response to rotation of the operating member. The transmission control member rotates around a transmission control member axis that is substantially parallel to the operating member axis, and the intermediate member includes an intermediate member detent for maintaining a rotational position of the operating member and the transmission control member.
    Type: Grant
    Filed: August 11, 2003
    Date of Patent: November 6, 2007
    Assignee: Shimano, Inc.
    Inventor: Tang Foo Hou
  • Patent number: 7288038
    Abstract: A shift control apparatus is provided for a bicycle that has a front transmission and a rear transmission, wherein each transmission has a plurality of gear steps. The apparatus comprises a travel condition sensing unit and a control unit that operates one of the front transmission and the rear transmission in priority to the other one of the front transmission and the rear transmission based on the travel condition.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: October 30, 2007
    Assignee: Shimano, Inc.
    Inventors: Kazuhiro Takeda, Tadashi Ichida
  • Patent number: 7286332
    Abstract: An electrical control apparatus comprises a current sensor and a current inhibiting circuit that inhibits current flow between first and second terminals of a bicycle dynamo when current sensed by the current sensor is below a selected value.
    Type: Grant
    Filed: April 19, 2005
    Date of Patent: October 23, 2007
    Assignee: Shimano, Inc.
    Inventor: Satoshi Kitamura
  • Patent number: 7281489
    Abstract: A bicycle transmission gear indicating device comprises a first indicator drive member adapted to move in response to movement of a first transmission control element; a second indicator drive member adapted to move in response to movement of a second transmission control element; and an indicating unit that indicates a bicycle transmission gear. A motion communicating unit is operatively coupled to the first indicator drive member and to the second indicator drive member and is adapted to communicate motion of the first indicator drive member and the second indicator drive member to the indicating unit.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: October 16, 2007
    Assignee: Shimano, Inc.
    Inventor: Tatsuya Kawakami
  • Patent number: 7278519
    Abstract: A bicycle disk brake pad comprises a backing plate and a friction member. The friction member comprises a friction brake part and a wear indicating part, wherein the friction part is adapted to contact a rotating brake member, and the wear indicating part is mounted to the backing plate. The friction brake part and the wear indicating part each comprise a common material and a harder material that is harder than the common material. A proportion of the harder material in the wear indicating part is greater than a proportion of the harder material in the friction brake part.
    Type: Grant
    Filed: April 15, 2005
    Date of Patent: October 9, 2007
    Assignee: Shimano, Inc.
    Inventors: Toru Iwai, Yoshikazu Kashimoto, Takashi Fujitani
  • Patent number: 7267205
    Abstract: An apparatus is provided for actuating a bicycle hub brake of the type having a fastening bracket adapted to be nonrotatably mounted relative to a bicycle frame, a brake drum, and a brake mechanism adapted to apply a braking force to the brake drum, wherein the brake drum rotates integrally with a bicycle hub around a hub axle. The apparatus comprises an actuating member and a rotating member. The actuating member is structured to be movably mounted relative to the fastening bracket for actuating the brake mechanism, and the rotating member is structured to be rotatably mounted relative to the fastening bracket independently of the actuating member. The rotating member includes an actuating member moving unit for moving the actuating member. The rotating member also includes a cable winding surface to wind a brake actuating cable thereon.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: September 11, 2007
    Assignee: Shimano, Inc.
    Inventors: Keiji Matsueda, Keita Tanaka
  • Patent number: 7267352
    Abstract: An apparatus for mounting an electrical component to a bicycle comprises a mounting bracket, an electrical component case member and a stopper member. The electrical component case member is structured to be mounted in close proximity to the mounting bracket such that the electrical component case member is removed by moving the electrical component case member in a first direction. The electrical component case member has a surface facing in the first direction, and the stopper member is coupled to the mounting bracket and structured to engage the surface of the electrical component case member to inhibit movement of the electrical component case member in the first direction.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: September 11, 2007
    Assignee: Shimano, Inc.
    Inventor: Noriyasu Ishikawa
  • Patent number: 7264256
    Abstract: A bracket assembly for mounting a motor or other control device to a bicycle frame includes a bracket base for supporting the control device at least partially above a chain stay, and a bracket support extending from the bracket base for coupling the bracket base to at least one of a chain stay, a seat stay, a seat tube, or a bottom bracket shell.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: September 4, 2007
    Assignee: Shimano, Inc.
    Inventor: Kazuhiro Fujii
  • Patent number: 7253610
    Abstract: A bicycle signal output device comprises a magnet structured to be mounted to one of a first part and a moving part of a bicycle, a coil structured to be mounted to the other one of the first part and the moving part of the bicycle, and a signal generating unit that operates using electrical power generated by the coil in response to relative motion between the magnet and the coil.
    Type: Grant
    Filed: January 19, 2005
    Date of Patent: August 7, 2007
    Assignee: Shimano, Inc.
    Inventor: Masayoshi Nagae
  • Patent number: 7247108
    Abstract: An apparatus for determining when to shift a bicycle chain from a first sprocket having a first number of teeth to a second sprocket having a second number of teeth comprises a memory for storing a reference value, and a processor that determines a shift value corresponding to a shift speed for shifting the chain from the first sprocket to the second sprocket by multiplying the reference value by one of the first number of teeth and the second number of teeth and dividing by the other one of the first number of teeth and the second number of teeth.
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: July 24, 2007
    Assignee: Shimano, Inc.
    Inventor: Kazuhiro Takeda
  • Patent number: 7245171
    Abstract: A voltage clamping circuit comprises a first high current gain circuit adapted to receive current from the first line; and a first switching circuit that turns on the first high current gain circuit to flow current away from the first line when the first switching circuit senses a first voltage from the first line above a clamping voltage, and turns off the first high current gain circuit when the first switching circuit senses the first voltage below the clamping voltage.
    Type: Grant
    Filed: January 9, 2003
    Date of Patent: July 17, 2007
    Assignee: Shimano, Inc.
    Inventor: Kouji Uno