GB190508658A - An Improved Two-speed Driving Gear for Cycles. - Google Patents
An Improved Two-speed Driving Gear for Cycles.Info
- Publication number
- GB190508658A GB190508658A GB190508658DA GB190508658A GB 190508658 A GB190508658 A GB 190508658A GB 190508658D A GB190508658D A GB 190508658DA GB 190508658 A GB190508658 A GB 190508658A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wheel
- wheels
- speed driving
- cycles
- improved
- 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
Links
Landscapes
- Structure Of Transmissions (AREA)
- Transmission Devices (AREA)
Abstract
8658. Didierjean, N. A. April 22, 1904, [date applied for under Patents Act, 1901]. Variable-speed gearing.-In variable-speed driving-mechanism for bicycles &c., two pawl-andratchet-driven chain-wheels on the crank axle are connected by a single chain with a double wheel or two wheels on the driving-wheel hub, so that different speeds are obtained according as the rider pedals forward or backward. Loose wheels 4, 5 with ratchets 6, 7 are driven by oppositely-directed pawls 9 upon a shoulder 3 of a sleeve 2, the chain passing from the upper part of the wheel 5 to one side of the double wheel 11, round the wheel 4, back to the other side of the double wheel, and then to the lower part of the wheel 5.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR190508658X | 1904-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190508658A true GB190508658A (en) | 1906-01-04 |
Family
ID=32606359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190508658D Expired GB190508658A (en) | 1904-04-22 | 1905-04-22 | An Improved Two-speed Driving Gear for Cycles. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190508658A (en) |
-
1905
- 1905-04-22 GB GB190508658D patent/GB190508658A/en not_active Expired
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