GB270004A - Improvements in driving gear for bicycles - Google Patents
Improvements in driving gear for bicyclesInfo
- Publication number
- GB270004A GB270004A GB306326A GB306326A GB270004A GB 270004 A GB270004 A GB 270004A GB 306326 A GB306326 A GB 306326A GB 306326 A GB306326 A GB 306326A GB 270004 A GB270004 A GB 270004A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chain
- bicycles
- driving gear
- chain wheel
- wheel
- 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
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
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
270,004. Burridge, J. H. Feb. 3, 1926. No Patent granted (Sealing fee not paid). Chain and like gearing, non-variable speed.- A chain wheel d with pedal crank f is rotatably mounted on each end of a fixed spindle a carried in the bottom bracket of the cycle frame, and a separate chain takes the drive from each chain wheel to a sprocket on the back wheel. A ball or roller bearing e may be interposed between each chain wheel and the spindle a.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB306326A GB270004A (en) | 1926-02-03 | 1926-02-03 | Improvements in driving gear for bicycles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB306326A GB270004A (en) | 1926-02-03 | 1926-02-03 | Improvements in driving gear for bicycles |
Publications (1)
Publication Number | Publication Date |
---|---|
GB270004A true GB270004A (en) | 1927-05-03 |
Family
ID=9751273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB306326A Expired GB270004A (en) | 1926-02-03 | 1926-02-03 | Improvements in driving gear for bicycles |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB270004A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2698604A1 (en) * | 1992-11-27 | 1994-06-03 | Te Dunne Rene | Additional bicycle drive chain - comprises chains connecting pedal plates to left and right hand threaded cog wheels |
CN111776126A (en) * | 2020-08-05 | 2020-10-16 | 杨浦根 | Bicycle drive device |
-
1926
- 1926-02-03 GB GB306326A patent/GB270004A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2698604A1 (en) * | 1992-11-27 | 1994-06-03 | Te Dunne Rene | Additional bicycle drive chain - comprises chains connecting pedal plates to left and right hand threaded cog wheels |
CN111776126A (en) * | 2020-08-05 | 2020-10-16 | 杨浦根 | Bicycle drive device |
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