JPS5858073U - variable crank - Google Patents

variable crank

Info

Publication number
JPS5858073U
JPS5858073U JP15369481U JP15369481U JPS5858073U JP S5858073 U JPS5858073 U JP S5858073U JP 15369481 U JP15369481 U JP 15369481U JP 15369481 U JP15369481 U JP 15369481U JP S5858073 U JPS5858073 U JP S5858073U
Authority
JP
Japan
Prior art keywords
variable crank
crank
rotation
center
abstract
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.)
Pending
Application number
JP15369481U
Other languages
Japanese (ja)
Inventor
上野　龍郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP15369481U priority Critical patent/JPS5858073U/en
Publication of JPS5858073U publication Critical patent/JPS5858073U/en
Pending legal-status Critical Current

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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) [Abstract] 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：本案の斜視図。第２図ニ一部分を欠除した本案
の平面図。第３図ニ本案の立面図。第４図：本案の右側
面図。Figure 1: Perspective view of the proposal. FIG. 2 is a plan view of the main project with a portion removed. Figure 3 is an elevational view of the main plan. Figure 4: Right side view of the project.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 考案の詳細な説明で述べる如く、クランクシャフトの旋
回中心から、ペダルの旋回中心までのクランクの長さを
、スラスト方向に、伸縮できるようにしたところの可変
式クランク。As described in the detailed description of the invention, this is a variable type crank in which the length of the crank from the center of rotation of the crankshaft to the center of rotation of the pedal can be expanded and contracted in the thrust direction.
JP15369481U 1981-10-15 1981-10-15 variable crank Pending JPS5858073U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15369481U JPS5858073U (en) 1981-10-15 1981-10-15 variable crank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15369481U JPS5858073U (en) 1981-10-15 1981-10-15 variable crank

Publications (1)

Publication Number Publication Date
JPS5858073U true JPS5858073U (en) 1983-04-19

Family

ID=29946303

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15369481U Pending JPS5858073U (en) 1981-10-15 1981-10-15 variable crank

Country Status (1)

Country Link
JP (1) JPS5858073U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014161446A (en) * 2013-02-22 2014-09-08 Takuo Nomura Exercise bike for athletic performance (short-distance sprint) improvement training

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014161446A (en) * 2013-02-22 2014-09-08 Takuo Nomura Exercise bike for athletic performance (short-distance sprint) improvement training

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