GB190407806A - Improvements in Change-speed Transmission Gear. - Google Patents

Improvements in Change-speed Transmission Gear.

Info

Publication number
GB190407806A
GB190407806A GB190407806DA GB190407806A GB 190407806 A GB190407806 A GB 190407806A GB 190407806D A GB190407806D A GB 190407806DA GB 190407806 A GB190407806 A GB 190407806A
Authority
GB
United Kingdom
Prior art keywords
wheel
wheels
pedalling
chain
around
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.)
Expired
Application number
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.)
MIMARD BLACHON ET CIE SOC
Original Assignee
MIMARD BLACHON ET CIE SOC
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 MIMARD BLACHON ET CIE SOC filed Critical MIMARD BLACHON ET CIE SOC
Application granted granted Critical
Publication of GB190407806A publication Critical patent/GB190407806A/en
Expired legal-status Critical Current

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  • Transmissions By Endless Flexible Members (AREA)
  • Transmission Devices (AREA)
  • Mechanical Control Devices (AREA)

Abstract

7806. Soc. Mimard Blachon et Cie. Aug. 24, A.D. 1903, [date applied for under Patents Act, A.D. 1901]. Driving-mechanism, change-speed, for bicycles &c. A chain-wheel A is mounted on the crank axle, and two sprocket-wheels B, D of different sizes are mounted on the wheel axle so as to drive in a forward direction only. An endless chain E passes around the wheels A, B, D, as shown, and also around a wheel C, adjustably-mounted so as to regulate the tension of the chain. Upon pedalling in the forward direction, the wheel B drives the road wheel, and, upon pedalling in a reverse direction, the wheel D drives the road wheel. In the arrangement shown in Fig. 3, a wheel F is carried by the wheel axle, and twu wheels G, H are mounted on the crank axle to clutch the same when pedalling in the forward and reverse directions respectively. The chain E passes around the wheels F, G, H and around a tension pulley C. According to the direction of pedalling, one of the wheels G, H acts as the driver, and serves to rotate the wheel F in a forward direction. Th position of the wheel C can be altered.
GB190407806D 1903-08-24 1904-04-02 Improvements in Change-speed Transmission Gear. Expired GB190407806A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR190407806X 1903-08-24

Publications (1)

Publication Number Publication Date
GB190407806A true GB190407806A (en) 1904-05-26

Family

ID=32242115

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190407806D Expired GB190407806A (en) 1903-08-24 1904-04-02 Improvements in Change-speed Transmission Gear.

Country Status (1)

Country Link
GB (1) GB190407806A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2897338A1 (en) * 2006-02-10 2007-08-17 Alain Michel Jean Rebillard Propulsion permitting device for e.g. mountain bike, has wheel pinions respectively mounted on free wheel in two directions, and clutching/declutching system installed between hub and free wheel such that pedal is raised
FR2966421A1 (en) * 2010-10-21 2012-04-27 Olivier Edouard Jules Surugue Removable device for advancing bicycle by pedaling in forward and reverse directions, has reference chain engaged on plates, where reference chain is utilized for transmitting mechanical energy of reverse pedaling to drive chain by pinions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2897338A1 (en) * 2006-02-10 2007-08-17 Alain Michel Jean Rebillard Propulsion permitting device for e.g. mountain bike, has wheel pinions respectively mounted on free wheel in two directions, and clutching/declutching system installed between hub and free wheel such that pedal is raised
FR2966421A1 (en) * 2010-10-21 2012-04-27 Olivier Edouard Jules Surugue Removable device for advancing bicycle by pedaling in forward and reverse directions, has reference chain engaged on plates, where reference chain is utilized for transmitting mechanical energy of reverse pedaling to drive chain by pinions

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