JPS63172727U

JPS63172727U -

Info

Publication number: JPS63172727U
Application number: JP6571587U
Authority: JP
Priority date: 1987-04-30
Filing date: 1987-04-30
Publication date: 1988-11-09

Description

[Brief explanation of the drawing]

第１図は、本考案の一実施例に係るフリーホイ
ールハブのロツク状態を示す縦断面図、第２図は
、本考案の一実施例に係るフリーホイールハブの
フリー状態を示す縦断面図、第３図は従来の技術
によるフリーホイールハブのロツク状態を示す縦
断面図、第４図は、従来の技術によるフリーホイ
ールハブのフリー状態を示す縦断面図である。符号の説明、８……駆動軸、９……円筒部、１
１……第１の室、１４……第２の室、１６……ス
リーブ、１７……溝、１８……ダイアフラム、２
１……オイルシール。 FIG. 1 is a longitudinal cross-sectional view showing a freewheel hub in a locked state according to an embodiment of the present invention, and FIG. 2 is a longitudinal cross-sectional view showing a free wheel hub in a free state according to an embodiment of the present invention. FIG. 3 is a longitudinal sectional view showing a freewheel hub according to the prior art in a locked state, and FIG. 4 is a longitudinal sectional view showing a freewheel hub in a free state according to the prior art. Explanation of symbols, 8... Drive shaft, 9... Cylindrical part, 1
DESCRIPTION OF SYMBOLS 1...First chamber, 14...Second chamber, 16...Sleeve, 17...Groove, 18...Diaphragm, 2
1...Oil seal.

Claims

[Scope of utility model registration request]

A first chamber communicating with a pressure source, a second chamber communicating with the first chamber, and a plurality of grooves provided at the tip of a drive shaft connected to the drive means and extending in the axial direction on the inner periphery. It has a joint provided in the first chamber, a plurality of grooves on the outer periphery of one end that can engage with the grooves of the joint, and a second chamber in the other end. A freewheel hub device comprising a diaphragm defining a compartment and a sleeve movable axially within a second chamber in response to pressure applied to the diaphragm.