JP2019182416A5 - - Google Patents

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Publication number
JP2019182416A5
JP2019182416A5 JP2019077785A JP2019077785A JP2019182416A5 JP 2019182416 A5 JP2019182416 A5 JP 2019182416A5 JP 2019077785 A JP2019077785 A JP 2019077785A JP 2019077785 A JP2019077785 A JP 2019077785A JP 2019182416 A5 JP2019182416 A5 JP 2019182416A5
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JP
Japan
Prior art keywords
crank
cycle
spindle
pedal
rotation
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
JP2019077785A
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English (en)
Japanese (ja)
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JP2019182416A (ja
JP7266450B2 (ja
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Publication date
Priority claimed from US16/367,784 external-priority patent/US11142281B2/en
Application filed filed Critical
Publication of JP2019182416A publication Critical patent/JP2019182416A/ja
Publication of JP2019182416A5 publication Critical patent/JP2019182416A5/ja
Application granted granted Critical
Publication of JP7266450B2 publication Critical patent/JP7266450B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2019077785A 2018-04-17 2019-04-16 サイクルクランクアセンブリ Active JP7266450B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862659070P 2018-04-17 2018-04-17
US62/659070 2018-04-17
US16/367,784 US11142281B2 (en) 2018-04-17 2019-03-28 Cycle crank assembly
US16/367784 2019-03-28

Publications (3)

Publication Number Publication Date
JP2019182416A JP2019182416A (ja) 2019-10-24
JP2019182416A5 true JP2019182416A5 (cg-RX-API-DMAC10.html) 2022-03-22
JP7266450B2 JP7266450B2 (ja) 2023-04-28

Family

ID=66217886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019077785A Active JP7266450B2 (ja) 2018-04-17 2019-04-16 サイクルクランクアセンブリ

Country Status (8)

Country Link
US (1) US11142281B2 (cg-RX-API-DMAC10.html)
EP (1) EP3556645B1 (cg-RX-API-DMAC10.html)
JP (1) JP7266450B2 (cg-RX-API-DMAC10.html)
CN (1) CN110386217B (cg-RX-API-DMAC10.html)
ES (1) ES2904801T3 (cg-RX-API-DMAC10.html)
PL (1) PL3556645T3 (cg-RX-API-DMAC10.html)
PT (1) PT3556645T (cg-RX-API-DMAC10.html)
TW (1) TWI778253B (cg-RX-API-DMAC10.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022107488A (ja) * 2021-01-08 2022-07-21 浩一 榎田 スプロケットとチェーンの寿命を延ばす為の自転車駆動装置と方法等
US11814134B2 (en) 2021-12-16 2023-11-14 John Daniel Corder Pivoting crank arm for increased torque
JP7504186B1 (ja) 2022-12-08 2024-06-21 憲雄 籠田 自転車用動力伝達装置

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4009623A (en) * 1974-12-17 1977-03-01 Interstate Sports, Inc. Foot lever construction having controlled flexibility
JPS57147183U (cg-RX-API-DMAC10.html) * 1981-03-10 1982-09-16
EP0392063A1 (de) 1989-04-14 1990-10-17 Blättler, Arthur Kurbel mit Totpunktüberwindung
US5060536A (en) 1990-03-05 1991-10-29 Boys Donald R Flexible crank drive
JPH04189694A (ja) * 1990-11-23 1992-07-08 Munefusa Kobayashi 自転車用駆動装置
DE19900680A1 (de) 1999-01-02 2000-07-06 Jalmar Mathiessen Kettenzahnrad-Kurbel-Vorrichtung zum Antreiben eines Muskelkraftfahrzeuges
AT410533B (de) 2001-06-26 2003-05-26 Hilber Gerhard Ing Tretkurbelantrieb für ein fahrrad
JP2003072666A (ja) 2001-06-27 2003-03-12 Campagnolo Spa 自転車用クランク、及び当該クランクの製造方法
CN2513895Y (zh) 2001-10-11 2002-10-02 徐秉玉 一种可转位曲柄
CN2533055Y (zh) 2001-11-12 2003-01-29 徐秉玉 一种可转位曲柄
CN2617670Y (zh) 2003-04-14 2004-05-26 江承勋 改良结构的曲柄
US20040211289A1 (en) 2003-04-25 2004-10-28 Cheng-Hsun Chiang Crank structure of bicycle
TWM286179U (en) 2005-07-14 2006-01-21 Carbotec Ind Co Ltd Carbon fiber bicycle crank structure with iron core
EP1792818A1 (en) * 2005-12-02 2007-06-06 Campagnolo S.R.L. Shaft element and pedal crank of a Bicycle bottom bracket, crank assembly comprising such a shaft element and pedal crank and method for assembling the crank assembly
WO2009054161A1 (ja) 2007-10-22 2009-04-30 Yoichiro Hamamoto 人力車両用回転伝達機構及びそれを備えた人力車両並びに自転車
TWM409219U (en) * 2010-10-14 2011-08-11 Animal Bikes Inc Bicycle pedal assembly
US20120304810A1 (en) 2010-12-03 2012-12-06 Christopher Butterfield Flexible bicycle crank
US9403576B2 (en) 2012-08-13 2016-08-02 Willem den Boer Power smoothing crank arm
US9027439B2 (en) 2013-07-08 2015-05-12 Tien Hsin Industries Co., Ltd. Crank arm
US9809275B2 (en) 2013-08-08 2017-11-07 Willem den Boer Pedal-driven vehicle crank
US10343745B2 (en) 2013-09-26 2019-07-09 Sram, Llc Bicycle crank arm and chainring carrier assembly
US9527548B2 (en) 2013-12-20 2016-12-27 Sram, Llc Bicycle crank arm assembly

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