JPH03126784U - - Google Patents

Info

Publication number
JPH03126784U
JPH03126784U JP3642990U JP3642990U JPH03126784U JP H03126784 U JPH03126784 U JP H03126784U JP 3642990 U JP3642990 U JP 3642990U JP 3642990 U JP3642990 U JP 3642990U JP H03126784 U JPH03126784 U JP H03126784U
Authority
JP
Japan
Prior art keywords
arm
shaft
fixed
sprocket
rotatably supported
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
JP3642990U
Other languages
English (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 JP3642990U priority Critical patent/JPH03126784U/ja
Priority to EP91105227A priority patent/EP0450583A1/en
Publication of JPH03126784U publication Critical patent/JPH03126784U/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M3/00—Construction of cranks operated by hand or foot
    • B62M3/02—Construction of cranks operated by hand or foot of adjustable length
    • B62M3/04—Construction of cranks operated by hand or foot of adjustable length automatically adjusting

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
  • Transmission Devices (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例のペダルアームの動
作を示す構成図、第２図は第１図のペダルアーム
の側面図、第３図は第２図の−線で切断した
部分を示す断面図である。 符号の説明、１……ペダルアーム、２……ペダ
ル、３……第１のアーム、４……第１のシヤフト
、５……カバー（第２のアーム）、６……ボス、
６ａ……ベアリング、７……第２のシヤフト、８
……チエーン、９……第１のスプロケツト、１１
……第２のスプロケツト。

Claims (1)

    【実用新案登録請求の範囲】
  1. 先端にベダルを回転自在に支持した第１のアー
    ムと、この第１のアームの元端に固着され、この
    アームから垂直に延びる第１のシヤフトと、前記
    第１のアームに固着された第１のスプロケツトと
    、車輪への回転力入力要素である第２のシヤフト
    と、この第２のシヤフトに一方の端が固着され、
    他方の端が前記第１のシヤフトの側に回転自在に
    支持された第２のアームと、前記第２のシヤフト
    に回転自在に支持されていると共に、自転車本体
    を構成する構造部材の側に固着されており、前記
    第１のスプロケツトと同一の歯数の第２のスプロ
    ケツトと、前記第１および第２のスプロケツト間
    に架け渡した動力伝達部材とを有することを特徴
    とする自転車のペダル機構。
JP3642990U 1990-04-04 1990-04-04 Pending JPH03126784U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3642990U JPH03126784U (ja) 1990-04-04 1990-04-04
EP91105227A EP0450583A1 (en) 1990-04-04 1991-04-03 A bicycle pedal-arm arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3642990U JPH03126784U (ja) 1990-04-04 1990-04-04

Publications (1)

Publication Number Publication Date
JPH03126784U true JPH03126784U (ja) 1991-12-20

Family

ID=12469572

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3642990U Pending JPH03126784U (ja) 1990-04-04 1990-04-04

Country Status (2)

Country Link
EP (1) EP0450583A1 (ja)
JP (1) JPH03126784U (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100255224B1 (ko) * 1997-01-04 2000-05-01 강병남 자전거의 가변식 페달 구동장치
FR2782546B1 (fr) * 1998-08-24 2001-03-02 Michel Aristide Villaume Dispositif mecanique pour modifier la trajectoire generee ou recue par un mouvement rotatif
WO2003104074A1 (en) * 2002-05-06 2003-12-18 Bojan Boncelj Fast bicycle with two-fold pedals
CN103552641A (zh) * 2013-11-08 2014-02-05 孙德明 一种用于脚踏车的脚踏杆变径省力脚踏机构
FR3042774A1 (fr) * 2015-10-27 2017-04-28 Robert Edet Systeme de manivelles de pedalier de cycle permettant d'augmenter le bras de levier et de supprimer les points morts sans modifier l'amplitude du deplacement circulaire des pedales
CN108068970A (zh) * 2016-11-09 2018-05-25 刘英凯 折叠曲柄自行车
IT201700009595A1 (it) * 2017-01-30 2018-07-30 Giovanni Bertoletti Gruppo di azionamento dei pedali di una bicicletta
GB2634891A (en) * 2023-10-23 2025-04-30 Ching Chang Lo Bicycle power-saving crank

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6260492B2 (ja) * 1977-10-18 1987-12-16 Kimberly Clark Co
JP3125689B2 (ja) * 1995-09-14 2001-01-22 日本鋼管株式会社 炉への燃料吹込み方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1002832A (fr) * 1949-12-15 1952-03-11 Manivelle amplificatrice de puissance particulièrement applicable aux bîcyclettes
GB2152172A (en) * 1983-12-23 1985-07-31 Wu Ching Jong Variable-throw crank
JPH0678783B2 (ja) * 1989-03-08 1994-10-05 理 西山 クランク装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6260492B2 (ja) * 1977-10-18 1987-12-16 Kimberly Clark Co
JP3125689B2 (ja) * 1995-09-14 2001-01-22 日本鋼管株式会社 炉への燃料吹込み方法

Also Published As

Publication number Publication date
EP0450583A1 (en) 1991-10-09

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