JPH0251192U - - Google Patents

Info

Publication number
JPH0251192U
JPH0251192U JP12985688U JP12985688U JPH0251192U JP H0251192 U JPH0251192 U JP H0251192U JP 12985688 U JP12985688 U JP 12985688U JP 12985688 U JP12985688 U JP 12985688U JP H0251192 U JPH0251192 U JP H0251192U
Authority
JP
Japan
Prior art keywords
slit
chain
bicycle transmission
transmission device
wall surface
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
JP12985688U
Other languages
Japanese (ja)
Other versions
JPH0717669Y2 (en
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 JP1988129856U priority Critical patent/JPH0717669Y2/en
Publication of JPH0251192U publication Critical patent/JPH0251192U/ja
Application granted granted Critical
Publication of JPH0717669Y2 publication Critical patent/JPH0717669Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Transmissions By Endless Flexible Members (AREA)
  • Gears, Cams (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図及び第２図は自転車用変速装置の説明図
、第３図〜第７図は大径チエーンギヤに本考案を
適用した場合の実施例の説明図であり、図中、 Ｃ……チエーン、Ｓ……スリツト、２０……チ
エーンガイド。 Figures 1 and 2 are explanatory views of a bicycle transmission, and Figures 3 to 7 are explanatory views of an embodiment in which the present invention is applied to a large-diameter chain gear. , S...slit, 20...chain guide.

Claims (1)

【実用新案登録請求の範囲】 チエーンガイド２０によつてチエーンＣを左
右方向に移動せしめ、チエーンＣの走行に伴つて
、該チエーンＣを大小チエーンギヤ間で掛換える
ようにした自転車用変速装置に於いて、大径チエ
ーンギヤに歯底から内周側に向うスリツトＳを開
削し、該スリツトＳの後方側の側壁面を後方に向
つて外側に傾斜させた自転車変速装置。 スリツトＳの開削方向を前方に傾斜させた実
用新案登録請求の範囲第１項記載の自転車用変速
装置。 スリツトＳの開削域を該スリツトＳの前方側
の少なくとも一枚の歯を含む範囲に設定した実用
新案登録請求の範囲第２項記載の自転車用変速装
置。 スリツトＳの前方側の側壁面を後方側のそれ
と略平行に形成した実用新案登録請求の範囲第１
項から第３項に記載の自転車用変速装置。[Scope of Claim for Utility Model Registration] A bicycle transmission device in which a chain C is moved in the left-right direction by a chain guide 20, and the chain C is changed between large and small chain gears as the chain C travels. In this bicycle transmission device, a slit S is cut in a large-diameter chain gear from the tooth bottom toward the inner circumferential side, and the rear side wall surface of the slit S is inclined outwardly toward the rear. The bicycle transmission device according to claim 1, wherein the cutting direction of the slit S is inclined forward. A bicycle transmission according to claim 2, wherein the cut area of the slit S is set to include at least one tooth on the front side of the slit S. Utility model registration claim 1 in which the front side wall surface of the slit S is formed substantially parallel to the rear side wall surface
The bicycle transmission device according to items 3 to 3.
JP1988129856U 1988-10-03 1988-10-03 Bicycle gearbox Expired - Lifetime JPH0717669Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988129856U JPH0717669Y2 (en) 1988-10-03 1988-10-03 Bicycle gearbox

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988129856U JPH0717669Y2 (en) 1988-10-03 1988-10-03 Bicycle gearbox

Publications (2)

Publication Number Publication Date
JPH0251192U true JPH0251192U (en) 1990-04-10
JPH0717669Y2 JPH0717669Y2 (en) 1995-04-26

Family

ID=31384519

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988129856U Expired - Lifetime JPH0717669Y2 (en) 1988-10-03 1988-10-03 Bicycle gearbox

Country Status (1)

Country Link
JP (1) JPH0717669Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994014644A1 (en) * 1992-12-28 1994-07-07 Mory Suntour Inc. Derailleur sprocket device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5437659U (en) * 1977-08-19 1979-03-12
JPS5456853U (en) * 1977-09-29 1979-04-19
JPS55149490U (en) * 1979-04-14 1980-10-28

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5437659U (en) * 1977-08-19 1979-03-12
JPS5456853U (en) * 1977-09-29 1979-04-19
JPS55149490U (en) * 1979-04-14 1980-10-28

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994014644A1 (en) * 1992-12-28 1994-07-07 Mory Suntour Inc. Derailleur sprocket device

Also Published As

Publication number Publication date
JPH0717669Y2 (en) 1995-04-26

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