JPS6022405U

JPS6022405U - bicycle hub

Info

Publication number: JPS6022405U
Application number: JP11457183U
Authority: JP
Inventors: 正士長野
Original assignee: 株式会社シマノ
Priority date: 1983-07-22
Filing date: 1983-07-22
Publication date: 1985-02-15

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案にかかる自転車用ハブの半断面図、第２
図は同要部の拡大断面図である。１・・・・・・ハブ胴、１１・・・・・・第１ハブ鍔、
１２・・・・・・第２ハブ鍔、１３・・・・・・延長部
、１４・・・・・・内周面、　　　。３・・・・・・フリーホイール、４・・・・・・従動筒
、４１・・・・・・端部外周面、５・・・・・・駆動筒
、５１・・・・・・シール面、５２・・・・・・端部内
周面、６・・・・・・一方向回転伝動機構、７・・・・
・・第１シール手段、８・・・・・・第２シール手段、
Ｇ・・・・・・チェンギャ。Fig. 1 is a half-sectional view of a bicycle hub according to the present invention;
The figure is an enlarged sectional view of the main part. 1... Hub body, 11... First hub tsuba,
12...Second hub flange, 13...Extension portion, 14...Inner peripheral surface. 3... Free wheel, 4... Driven tube, 41... Outer peripheral surface of end, 5... Drive tube, 51... Seal surface, 52... end inner peripheral surface, 6... one-way rotation transmission mechanism, 7...
...first sealing means, 8...second sealing means,
G...Changeya.

Claims

[Scope of utility model registration request]

first and second hub flanges are provided at both longitudinal ends of the hub body;
Among these hub flanges, a driven tube that rotates together with the hub body is provided on the outside of the first hub collar, and at least one change gear is provided on the outer periphery, and the driven tube is connected to the driven tube through a one-way rotation transmission mechanism. A bicycle hub is provided with a freewheel consisting of a drive tube that is freely rotatably supported, and a sealing surface is formed on the outer periphery of the first half flange side end of the drive tube,
an extension extending around the sealing surface of the drive cylinder is formed on the first hub flange, and a first sealing means is provided between the inner peripheral surface of the extension and the sealing surface; A bicycle hub characterized in that a second sealing means is provided between an inner circumferential surface of the end portion and an outer circumferential surface of the end portion of the driven tube.