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Chain case structure of motorcycle

A technology of motor two-wheeled vehicle and shell structure, applied in chain/belt transmission, vibration massage, vehicle parts, etc., can solve the problem of lack of lightness and other problems, and achieve the effect of improving appearance and improving lightness

Inactive Publication Date: 2007-08-29
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, the rear end of the upper case is formed so as to go around the rear end of the swing arm below, so it lacks lightness.

Method used

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  • Chain case structure of motorcycle
  • Chain case structure of motorcycle
  • Chain case structure of motorcycle

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Embodiment Construction

[0016] Next, an embodiment of the present invention will be described based on an example of the present invention shown in the accompanying drawings.

[0017] Fig. 1~4 have shown an embodiment of the present invention, and Fig. 1 is the side view of motor vehicle, Fig. 2 is the enlarged side view of transmission chain housing, Fig. 3 is the enlarged sectional view of line 3-3 in Fig. 2, Fig. 4 is an enlarged sectional view of line 4-4 in Fig. 2 .

[0018] At first in Fig. 1, the vehicle frame 5 of described motor two-wheel vehicle is provided with the front head tube 6 that operably supports front fork 9, and the main frame 7 that extends rearward and downward from this front head tube 6, and with main frame 7 A pair of left and right rear frames 8 that are connected to each other and extend upwards and backwards. At the lower end of the front fork 9, the front wheel WF is supported by a shaft. A rod-shaped directional handlebar 10 is connected to the top of the front fork 9....

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Abstract

A transmission chain housing structure for a motorcycle, which adopts a transmission chain housing structure for a motorcycle in which the entire chain is covered and the upper and lower housings are mounted on a swing arm, thereby improving lightness. The rear end connections (70) of the upper and lower housings (54, 55) are offset above an arm centerline (C) passing through the axis of the axle (15) and extending longitudinally of the swing arm (14a).

Description

technical field [0001] The present invention relates to a transmission chain casing structure of a motorcycle. On the swing arm supporting the axle of the rear wheel at the rear end, the upper and lower casings clamping the swing arm from top to bottom are installed, and the The rear ends of the upper and lower housings are connected to each other. Background technique [0002] For example, in the transmission chain case structure for motorcycles disclosed in the following Patent Document 1 etc., an upper part and a lower part case which sandwich the swing arm from above and below are attached to the swing arm. [0003] 【Patent Document 1】 [0004] Japanese Patent Application Publication No. 9-263278 [0005] However, although the above-mentioned conventional drive chain case structure adopts the structure of a so-called integral drive chain case, in order to completely cover the chain for transmitting the rotational power generated by the power unit to the rear wheel in s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62J13/04B62M9/00B62M9/12
CPCA61H19/32A61H23/0254A61H2201/1207A61H2205/087
Inventor 大坪守栗田和也中林俊一
Owner HONDA MOTOR CO LTD
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