JP2004155401A - 自転車の屈伸クランク機構 - Google Patents

自転車の屈伸クランク機構 Download PDF

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Publication number
JP2004155401A
JP2004155401A JP2002360014A JP2002360014A JP2004155401A JP 2004155401 A JP2004155401 A JP 2004155401A JP 2002360014 A JP2002360014 A JP 2002360014A JP 2002360014 A JP2002360014 A JP 2002360014A JP 2004155401 A JP2004155401 A JP 2004155401A
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JP
Japan
Prior art keywords
crank
gear
bending
petal
shaft
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Pending
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JP2002360014A
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English (en)
Japanese (ja)
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JP2004155401A5 (enExample
Inventor
Takao Watanabe
登夫 渡辺
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Individual
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Individual
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Priority to JP2002360014A priority Critical patent/JP2004155401A/ja
Publication of JP2004155401A publication Critical patent/JP2004155401A/ja
Publication of JP2004155401A5 publication Critical patent/JP2004155401A5/ja
Pending legal-status Critical Current

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JP2002360014A 2002-11-07 2002-11-07 自転車の屈伸クランク機構 Pending JP2004155401A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002360014A JP2004155401A (ja) 2002-11-07 2002-11-07 自転車の屈伸クランク機構

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002360014A JP2004155401A (ja) 2002-11-07 2002-11-07 自転車の屈伸クランク機構

Publications (2)

Publication Number Publication Date
JP2004155401A true JP2004155401A (ja) 2004-06-03
JP2004155401A5 JP2004155401A5 (enExample) 2005-09-22

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ID=32809724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002360014A Pending JP2004155401A (ja) 2002-11-07 2002-11-07 自転車の屈伸クランク機構

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JP (1) JP2004155401A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108068970A (zh) * 2016-11-09 2018-05-25 刘英凯 折叠曲柄自行车

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108068970A (zh) * 2016-11-09 2018-05-25 刘英凯 折叠曲柄自行车

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