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Steering device

  • US 8,677,856 B2
  • Filed: 07/14/2011
  • Issued: 03/25/2014
  • Est. Priority Date: 07/21/2010
  • Status: Active Grant
First Claim
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1. A steering device, comprising:

  • a vehicle body attachment bracket that can be attached to a vehicle body;

    a column that is supported by the vehicle body attachment bracket so that a tilt position is adjustable, and rotatably pivotally supports a steering shaft equipped with a steering wheel;

    a fastening rod that is inserted into a tilt adjustment slender groove formed in the vehicle body attachment bracket and the column in order to fasten the column to the vehicle body attachment bracket at a desired tilt position;

    a stationary cam that is supported by one end of the fastening rod, and presses one side of the vehicle body attachment bracket toward the column;

    a movable cam that is rotatably supported by said one end of the fastening rod together with an operating lever so as to face the stationary cam;

    a cam surface that is disposed on respective surfaces that face the stationary cam and the movable cam, and presses the movable cam toward the stationary cam relatively in an axial direction;

    a locking unit that is formed in the stationary cam in order to disable the stationary cam to be relatively rotated with respect to the movable cam, fitted into the tilt adjustment slender groove, and can slide along the tilt adjustment slender groove when adjusting the tilt position of the column;

    a stationary tilt lock gear formed on one side of the vehicle body attachment bracket;

    a movable tilt lock gear that rotates in synchronism with rotating operation of the operating lever, can be engaged with the stationary tilt lock gear, and is fitted onto the stationary cam so as to be movable in a tilt direction;

    a spring that is inserted between the movable tilt lock gear and the stationary cam, and elastically supports movement of the movable tilt lock gear to the stationary cam in the tilt direction; and

    a tilt stopper that holds the stationary cam, the movable tilt lock gear, and the spring integrally.

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