JPS61196888U

JPS61196888U -

Info

Publication number: JPS61196888U
Application number: JP8101185U
Authority: JP
Priority date: 1985-05-31
Filing date: 1985-05-31
Publication date: 1986-12-08

Description

[Brief explanation of drawings]

第１図は公知に係る張力調整装置を備えたリヤ
フオーク腕の要部側面図、第２図は本考案の一実
施例に係る駆動チエーンの張力調整装置を備えた
自動三輪車を左側後車輪を取去つた状態で示す左
側正面図、第３図はその平面図、第４図ないし第
６図は前記張力調整装置の使用態様を示す要部拡
大図である。１０……自動三輪車、１２……棒状ハンドル、
１４……車体フレーム、１６……足載せ部材、１
８……駆動スプロケツト、２０……リヤフオーク
、２２……リヤフオーク腕、２４……終端支持片
、２６……上部片、２７……第一の軸穴、２８…
…下部片、２９……長穴、３０……軸受保持部材
、３２……突片、３３……第二の軸穴、３４……
第一下突片、３５……第三の軸穴、３６……第二
下突片、３７……第三の軸穴、４０……第一の支
点軸、４２……第二の支点軸、５０……後車軸、
５２……従動スプロケツト、６０……リヤ・クツ
シヨン、Ｅ……エンジン、Ｓ……座席、Ｔ……燃
料タンク。 Fig. 1 is a side view of essential parts of a rear fork arm equipped with a known tension adjustment device, and Fig. 2 shows a motor tricycle equipped with a drive chain tension adjustment device according to an embodiment of the present invention, with the left rear wheel removed. 3 is a plan view thereof, and FIGS. 4 to 6 are enlarged views of essential parts showing how the tension adjusting device is used. 10...Auto tricycle, 12...Standard handle,
14...Vehicle frame, 16...Foot rest member, 1
8... Drive sprocket, 20... Rear fork, 22... Rear fork arm, 24... End support piece, 26... Upper piece, 27... First shaft hole, 28...
... lower piece, 29 ... oblong hole, 30 ... bearing holding member, 32 ... projecting piece, 33 ... second shaft hole, 34 ...
First lower projecting piece, 35... Third shaft hole, 36... Second lower projecting piece, 37... Third shaft hole, 40... First fulcrum shaft, 42... Second fulcrum shaft , 50...rear axle,
52... Driven sprocket, 60... Rear cushion, E... Engine, S... Seat, T... Fuel tank.

Claims

[Scope of Claim for Utility Model Registration] A small vehicle equipped with a device for adjusting the tension of a drive chain that meshes with a chain sprocket by swinging a wheel shaft that supports a chain-driven drive wheel, A first shaft hole is formed on either the upper or lower side of the vehicle body frame side support pieces located above and below, and an arcuate length along the circumference centered on the first shaft hole is formed on the other side. A second shaft hole is formed in the wheel shaft bearing holding member and matches the first shaft hole, and a plurality of third shafts are arranged in the longitudinal direction of the vehicle body and can match the elongated holes. a first fulcrum shaft formed with a hole, and having at least one of the first shaft hole and the second shaft hole, and the elongated hole and the third shaft hole coincide with each other, and pass through each hole; and a second fulcrum shaft to fix the bearing holding member to the support piece.