JPS6440791U - - Google Patents

Info

Publication number
JPS6440791U
JPS6440791U JP13589087U JP13589087U JPS6440791U JP S6440791 U JPS6440791 U JP S6440791U JP 13589087 U JP13589087 U JP 13589087U JP 13589087 U JP13589087 U JP 13589087U JP S6440791 U JPS6440791 U JP S6440791U
Authority
JP
Japan
Prior art keywords
diameter sprocket
sprocket
teeth
small
diameter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP13589087U
Other languages
English (en)
Other versions
JPH0349992Y2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP13589087U priority Critical patent/JPH0349992Y2/ja
Publication of JPS6440791U publication Critical patent/JPS6440791U/ja
Application granted granted Critical
Publication of JPH0349992Y2 publication Critical patent/JPH0349992Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Gears, Cams (AREA)

Description

【図面の簡単な説明】
第1図および第2図は本考案の一実施例の側面
図、第3図は第2図の方向矢示図、第4図は第
1図の−線拡大断面図、第5図ないし第9図
は、離脱容易歯の他の態様を示す平面図である。 CW……自転車用多段スプロケツト装置、s1
……大径スプロケツト、s2……小径スプロケツ
ト、l……接線、O……大径スプロケツトの歯
間中心、O……小径スプロケツトの歯間中心、
ta……離脱容易歯。

Claims (1)

    【実用新案登録請求の範囲】
  1. 少なくとも1枚の大径スプロケツトと少なくと
    も1枚の小径スプロケツトをもつ自転車用多段ス
    プロケツト装置であつて、互いに隣接する大径ス
    プロケツトと小径スプロケツトを、大径スプロケ
    ツトの一つの歯間中心と、これから小径スプロケ
    ツトに対してチエンの移行方向に下ろした接線上
    の小径スプロケツトの歯間中心との距離がnp−
    α(ただし、pはチエンピツチ、nは整数、αは
    大径スプロケツトの歯高さより小さい寸法)とな
    るように互いの周方向の位置を設定するとともに
    、大径スプロケツトの上記歯間中心のスプロケツ
    トの回転方向前方に隣接する歯を、他の歯に比べ
    てチエンが小径スプロケツト方向に容易に離脱す
    る離脱容易歯としたことを特徴とする、自転車用
    多段スプロケツト装置。
JP13589087U 1987-09-04 1987-09-04 Expired JPH0349992Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13589087U JPH0349992Y2 (ja) 1987-09-04 1987-09-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13589087U JPH0349992Y2 (ja) 1987-09-04 1987-09-04

Publications (2)

Publication Number Publication Date
JPS6440791U true JPS6440791U (ja) 1989-03-10
JPH0349992Y2 JPH0349992Y2 (ja) 1991-10-24

Family

ID=31395893

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13589087U Expired JPH0349992Y2 (ja) 1987-09-04 1987-09-04

Country Status (1)

Country Link
JP (1) JPH0349992Y2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01176592U (ja) * 1988-06-04 1989-12-15
WO1990009308A1 (en) * 1989-02-15 1990-08-23 Maeda Industries, Ltd. Multi-stage chain wheel for bicycle
EP0510361A1 (en) * 1991-04-23 1992-10-28 Mory Suntour Inc. Multiple sprocket assembly for bicycle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01176592U (ja) * 1988-06-04 1989-12-15
WO1990009308A1 (en) * 1989-02-15 1990-08-23 Maeda Industries, Ltd. Multi-stage chain wheel for bicycle
US5133695A (en) * 1989-02-15 1992-07-28 Maeda Industries, Ltd. Bicycle multiple chainwheel
EP0510361A1 (en) * 1991-04-23 1992-10-28 Mory Suntour Inc. Multiple sprocket assembly for bicycle
US5192250A (en) * 1991-04-23 1993-03-09 Maeda Industries, Ltd. Multiple sprocket assembly for bicycle

Also Published As

Publication number Publication date
JPH0349992Y2 (ja) 1991-10-24

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