JPH01142397U

JPH01142397U -

Info

Publication number: JPH01142397U
Application number: JP3844688U
Authority: JP
Priority date: 1988-03-25
Filing date: 1988-03-25
Publication date: 1989-09-29

Description

[Brief explanation of drawings]

第１図は本考案に係る自動２輪車のチエーンバ
ツフアの一実施例を示す側面図、第２図は上記実
施例を備えた自動２輪車の中央部を示す側面図、
第３図は上記実施例を示す断面図、第４図は上記
実施例におけるスイングアームの最伸時と最圧時
を示す側面図、第５図は従来のチエーンバツフア
を備えた自動２輪車を示す側面図、第６図は従来
のチエーンバツフアを示す側面図、第７図ａ〜ｅ
は従来のチエーンバツフアによるチエーン破断時
の状態を経時的に示す説明図、第８図は本出願人
が提案したチエーンバツフアを示す側面図、第９
図は本出願人が提案したチエーンバツフアを示す
断面図である。１…エンジン、１ａ…クランクケース、２…フ
ロントスプロケツト、４…チエーン、５…スイン
グアーム、１０…車体フレーム、１０ａ…ピボツ
ト部、１１…チエーンバツフア、１１ａ…延長部
、１１ｂ…延長部以外の近接部。 FIG. 1 is a side view showing an embodiment of a chain buffer for a motorcycle according to the present invention, and FIG. 2 is a side view showing the central part of a motorcycle equipped with the above embodiment.
Fig. 3 is a sectional view showing the above embodiment, Fig. 4 is a side view showing the swing arm in the above embodiment at maximum extension and maximum pressure, and Fig. 5 shows a conventional motorcycle equipped with a chain buffer. Fig. 6 is a side view showing a conventional chain buffer, Fig. 7 a to e
9 is an explanatory diagram showing the state of chain breakage over time in a conventional chain buffer, FIG. 8 is a side view showing a chain buffer proposed by the applicant, and FIG.
The figure is a sectional view showing a chain buffer proposed by the applicant. DESCRIPTION OF SYMBOLS 1...Engine, 1a...Crankcase, 2...Front sprocket, 4...Chain, 5...Swing arm, 10...Vehicle frame, 10a...Pivot part, 11...Chain buffer, 11a...Extension part, 11b...Proximity other than extension part Department.

Claims

[Scope of utility model registration request]

In the chain buffer of a motorcycle, which is provided around the swing arm provided between the frame pivot part and the rear wheel of a motorcycle, there is a connection between the sprocket and the crankcase in the vicinity of the sprocket on the engine side. 1. A chain buffer for a two-wheeled motor vehicle, characterized in that an extension part is formed extending between the parts, and a proximal part other than the extension part is formed in a shape close to the sprocket to the extent that it does not come into contact with the sprocket.