JPS6436594A - Nonstage transmission for bicycle - Google Patents

Nonstage transmission for bicycle

Info

Publication number
JPS6436594A
JPS6436594A JP19325287A JP19325287A JPS6436594A JP S6436594 A JPS6436594 A JP S6436594A JP 19325287 A JP19325287 A JP 19325287A JP 19325287 A JP19325287 A JP 19325287A JP S6436594 A JPS6436594 A JP S6436594A
Authority
JP
Japan
Prior art keywords
ratchet
eccentric
mesh
lever
drive
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
JP19325287A
Other languages
Japanese (ja)
Inventor
Kyohei Hasegawa
Akihiro Kasahara
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.)
Nippon Seiki Co Ltd
Original Assignee
Nippon Seiki Co Ltd
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 Nippon Seiki Co Ltd filed Critical Nippon Seiki Co Ltd
Priority to JP19325287A priority Critical patent/JPS6436594A/en
Publication of JPS6436594A publication Critical patent/JPS6436594A/en
Pending legal-status Critical Current

Links

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  • Transmission Devices (AREA)

Abstract

PURPOSE: To reduce friction and noise by making the eccentric moving part of an intermediate side rotor adjustable in the eccentric quantity, and allowing only ratchet claws in a drive territory to mesh with rotor members on the intermediate side and the output side. CONSTITUTION: When a hand operated lever 51 is operated, an eccentric quantity adjusting mechanism 49 constituted of a reel 52, a wire 53, and a lever 42 is operated, and the lever 42 is rotated by the wire 53. Hereby, a moving body 31 is pushed up in the circular recessed part 41 of a guide disc 40, and an intermediate side rotor 30 is made eccentric against a hollow cylindrical case 12 and an output side ratchet 27 according to setting of the eccentric quantity adjusting mechanism 49. Hereby, only drive input side ratchet claws 13A-13D and intermediate transmitting ratchet claws 23A-23D of a second shifting part in drive territories A, A' mesh with an input transmitting side ratchet gear 19 and an output side ratchet gear 27, and the other ratchet claws 13, 23 are regulated by stoppers 18, 26 not to mesh with the gears 19, 27. In this way, friction and noise can be reduced.
JP19325287A 1987-07-31 1987-07-31 Nonstage transmission for bicycle Pending JPS6436594A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19325287A JPS6436594A (en) 1987-07-31 1987-07-31 Nonstage transmission for bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19325287A JPS6436594A (en) 1987-07-31 1987-07-31 Nonstage transmission for bicycle

Publications (1)

Publication Number Publication Date
JPS6436594A true JPS6436594A (en) 1989-02-07

Family

ID=16304864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19325287A Pending JPS6436594A (en) 1987-07-31 1987-07-31 Nonstage transmission for bicycle

Country Status (1)

Country Link
JP (1) JPS6436594A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3401202A4 (en) * 2016-02-05 2019-07-03 Contavelo Co., Ltd. Bicycle crank transmission apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61188289A (en) * 1985-02-14 1986-08-21 ブリヂストンサイクル株式会社 Infinitely variable gear for bicycle
JPS62116384A (en) * 1985-11-18 1987-05-27 ブリヂストンサイクル株式会社 Non-stage transmission

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61188289A (en) * 1985-02-14 1986-08-21 ブリヂストンサイクル株式会社 Infinitely variable gear for bicycle
JPS62116384A (en) * 1985-11-18 1987-05-27 ブリヂストンサイクル株式会社 Non-stage transmission

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3401202A4 (en) * 2016-02-05 2019-07-03 Contavelo Co., Ltd. Bicycle crank transmission apparatus

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