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Swing arm structure in motorcycle

A motorcycle, swinging motion technology, applied to bicycle accessories, axle suspension, transportation and packaging, etc., to simplify dismantling and reinstallation steps, improve operability, and reduce weight

Inactive Publication Date: 2006-05-17
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this support structure requires the body frame to be placed on the outside of the rocker arm

Method used

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  • Swing arm structure in motorcycle
  • Swing arm structure in motorcycle
  • Swing arm structure in motorcycle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] Specific embodiments for carrying out the present invention will be described below with reference to the accompanying drawings.

[0044] refer to figure 1 , The body frame F of the scooter motorcycle includes a head pipe 17, a pair of left and right down pipes 18..., a pair of left and right bottom pipes 19... and a pair of left and right main pipes 20.... The head pipe 17 operably supports a front fork 15 pivotally supporting the front wheel WF and a steering handle 16 connected to the front fork 15 . The down pipe 18 ... extends rearward and downward from the head pipe 17 . The bottom pipe 19... is provided below the down pipe 18... in a row connected with the head pipe 17, and extends rearward and downward at a smaller inclination angle than the down pipe 18.... The main pipe 20 ... is connected to the lower end of the bottom pipe 19 ... and extends backward. In addition, the rear end of the down pipe 18... is connected to the middle part of the main pipe 20.... ...

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PUM

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Abstract

A structure for supporting a rocker arm in a motorcycle is provided, wherein a power unit passes through a cylindrical first pivot coaxial with an output shaft of the power unit and a second pivot coaxial with the first pivot Instead, the front portion of the rocker arm is swingably supported. The number of parts used is reduced, and the removal and installation of the rocker arm is facilitated. The output shaft, the outer end portion of which protrudes outward from the rocker arm, is connected to the final stage transmission element of the reduction transmission, and can be removed or inserted in the axial direction, while being unable to rotate relatively about the axis. The first pivot is detachably mounted on the power unit. The second pivot is detachably fastened to the power unit (PA) or the rocker.

Description

technical field [0001] The present invention relates to a structure for supporting a rocker arm of a motorcycle, wherein a power unit mounted on a body frame swingably supports the front part of the rocker arm, and the rear part thereof is passed through a cylindrical first pivot coaxial with the output shaft And the pivot supports the rear wheels. Additionally, the second pivot is coaxial with the first pivot. The power unit includes an engine and a reduction transmission device including an output shaft for providing driving force to the rear wheels. The reduction transmission device is provided for transmitting the output of the engine through reduction. [0002] The present invention also relates to a structure for supporting a swing arm in a motorcycle, the structure comprising a pair of forwardly extending left and right support arm parts arranged at the front of the swing arm for pivoting To support a rear wheel in the rear, the pair of support arm portions are swing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62K25/20
Inventor 饭塚尔田中宏幸
Owner HONDA MOTOR CO LTD
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