JPS591694U - bicycle crankshaft - Google Patents

bicycle crankshaft

Info

Publication number
JPS591694U
JPS591694U JP9710182U JP9710182U JPS591694U JP S591694 U JPS591694 U JP S591694U JP 9710182 U JP9710182 U JP 9710182U JP 9710182 U JP9710182 U JP 9710182U JP S591694 U JPS591694 U JP S591694U
Authority
JP
Japan
Prior art keywords
crankshaft
bearings
tapered
races
outer races
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
JP9710182U
Other languages
Japanese (ja)
Other versions
JPS6217348Y2 (en
Inventor
寛 轟
修一 谷口
Original Assignee
ブリヂストンサイクル株式会社
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 by ブリヂストンサイクル株式会社 filed Critical ブリヂストンサイクル株式会社
Priority to JP9710182U priority Critical patent/JPS591694U/en
Publication of JPS591694U publication Critical patent/JPS591694U/en
Application granted granted Critical
Publication of JPS6217348Y2 publication Critical patent/JPS6217348Y2/ja
Granted legal-status Critical Current

Links

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

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

第１図は従来の自転車用クランク軸部の一例を示す断面
図、第２図は本考案の自転車用クランク軸部の断面図で
ある。 ６・・・クランクアーム、１０・・・クランク軸、１０
ａ、　　１０ｂ−・・テーパー角筒部、１ｏｃ−ｉ＝、
１０ｄ・・・内孔、１１・・・軸受、ｌｌａ・・・鍔付
きアウターレース、１１ｂ・・・インナーレース、１２
・・・ハ　　　　−ンガーパイプ、１３・・・ボルト、
１４・・・座金、１５・・・ナツト、１６・・・ディス
タンスカラー。FIG. 1 is a sectional view showing an example of a conventional bicycle crankshaft, and FIG. 2 is a sectional view of the bicycle crankshaft of the present invention. 6... Crank arm, 10... Crank shaft, 10
a, 10b--Tapered square tube part, 1oc-i=,
10d...Inner hole, 11...Bearing, lla...Outer race with flange, 11b...Inner race, 12
... hanger pipe, 13... bolt,
14...Washer, 15...Nut, 16...Distance collar.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中空円筒体の両端部に４面テーパー加工を施してテーパ
ー角筒部を形成すると共に、中空円筒体の外周部の一方
の軸受部の外側に鍔を突設してクランク軸を形成し、鍔
付きアウターレースを有する軸受のアウターレースをハ
ンガーパイプの′両端部にそれぞれ圧入すると共に、こ
れら軸受のインナーレースに前記クランク軸を圧入し、
クランク軸の両端のテーパー角筒部にそれぞれクランク
アームを嵌合し、これらクランクアームをクランク軸の
内孔を貫通するボルトとナツトにより固定してなる自転
車用クランク軸部。Both ends of the hollow cylindrical body are tapered on four sides to form a tapered square cylindrical part, and a flange is provided on the outside of one of the bearings on the outer periphery of the hollow cylindrical body to form a crankshaft. Press-fitting the outer races of the bearings having outer races with the outer races into both ends of the hanger pipe, and press-fitting the crankshaft into the inner races of these bearings,
A crankshaft for a bicycle, in which crank arms are fitted into tapered rectangular cylinders at both ends of the crankshaft, and these crank arms are fixed by bolts and nuts passing through inner holes of the crankshaft.
JP9710182U 1982-06-28 1982-06-28 bicycle crankshaft Granted JPS591694U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9710182U JPS591694U (en) 1982-06-28 1982-06-28 bicycle crankshaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9710182U JPS591694U (en) 1982-06-28 1982-06-28 bicycle crankshaft

Publications (2)

Publication Number Publication Date
JPS591694U true JPS591694U (en) 1984-01-07
JPS6217348Y2 JPS6217348Y2 (en) 1987-05-02

Family

ID=30231115

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9710182U Granted JPS591694U (en) 1982-06-28 1982-06-28 bicycle crankshaft

Country Status (1)

Country Link
JP (1) JPS591694U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019031257A (en) * 2017-08-09 2019-02-28 ヤマハ発動機株式会社 Driving unit and electric assist bicycle
JP2021062690A (en) * 2019-10-11 2021-04-22 ヤマハ発動機株式会社 Drive unit and power-assisted bicycle
US12017729B2 (en) 2019-10-11 2024-06-25 Yamaha Hatsudoki Kabushiki Kaisha Drive unit and electrically assisted bicycle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019031257A (en) * 2017-08-09 2019-02-28 ヤマハ発動機株式会社 Driving unit and electric assist bicycle
JP2021062690A (en) * 2019-10-11 2021-04-22 ヤマハ発動機株式会社 Drive unit and power-assisted bicycle
US12017729B2 (en) 2019-10-11 2024-06-25 Yamaha Hatsudoki Kabushiki Kaisha Drive unit and electrically assisted bicycle

Also Published As

Publication number Publication date
JPS6217348Y2 (en) 1987-05-02

Similar Documents

Publication Publication Date Title
JPS62124919U (en)
JPH0428219U (en)
JPS591694U (en) bicycle crankshaft
JPS58112675U (en) Rotating shaft support structure
JPS62151426U (en)
JPS5917321U (en) Operation shaft support structure
JPS5823860U (en) telescopic cable drum
JPS5972319U (en) A device for fixing a deep groove ball bearing with a spherically ground outer ring to a case.
JPS5945104U (en) hub bearing device
JPS61145115U (en)
JPS59167468U (en) Bearing device for vertical rotating machine
JPH02129986U (en)
JPS6043103U (en) Camshaft bearing device in internal combustion engine
JPH0164303U (en)
JPS6199601U (en)
JPS59113513U (en) rotating unit
JPS5863224U (en) Round fender mounting structure
JPS5917367U (en) Support structure for gear shafts in motorcycles
JPS61175622U (en)
JPS60134937U (en) Rubber bushing mounting structure
JPS5851907U (en) Check
JPS61178780U (en)
JPS58129324U (en) Flange bearing ring
JPS58176886U (en) Truck crane crane fixing device
JPS62158237U (en)