GB470548A - Improvements in driving gear for manual or pedal operation - Google Patents
Improvements in driving gear for manual or pedal operationInfo
- Publication number
- GB470548A GB470548A GB34195/36A GB3419536A GB470548A GB 470548 A GB470548 A GB 470548A GB 34195/36 A GB34195/36 A GB 34195/36A GB 3419536 A GB3419536 A GB 3419536A GB 470548 A GB470548 A GB 470548A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wheel
- shaft
- pin
- housing
- engaging
- 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
- B62M1/00—Rider propulsion of wheeled vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
470,548. Cycle driving-transmissions and brakes. PRYM GES., W. Dec. 12, 1936, No. 34195. Convention date, Nov. 13. [Classes 136 (i) and 136 (ii)] [Also in Groups XXIV and XXX] A manual or pedal-operated gear for driving a bicycle wheel k comprises a friction wheel i' rigidly mounted on a shaft g, to which is secured a pinion h engaging a pinion e fast on the crank shaft b. The shaft g is mounted in a housing f freely pivoted about the shaft b, so that rotation of this shaft in the direction of the arrow n causes the wheel i<1> to be forced by the tooth-pressure of the engaging gears e, h into engagement with the driven wheel k On ceasing to pedal, or pedalling slightly backwards the wheel i<1> is disengaged. Engagement is limited by a stop-pin s, and movement in the disengaging direction by a pin .s<1>. The housing f may be connected by a pin u and slot to a rod t for operating a backpedalling brake v of the contracting band type, the crank shaft b being connected to the housing f by a free wheel. The wheel i<1> may be an expanding wheel engaging the tyre or rim and adjustable by linkwork, not shown, to produce an infinitely-variable drive.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE470548X | 1936-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB470548A true GB470548A (en) | 1937-08-17 |
Family
ID=6541148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB34195/36A Expired GB470548A (en) | 1936-11-13 | 1936-12-12 | Improvements in driving gear for manual or pedal operation |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB470548A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2653737A1 (en) * | 1989-10-26 | 1991-05-03 | Maugard Michel | Frame element for a bicycle or for a static device for cycling training |
| GB2373226A (en) * | 2001-03-05 | 2002-09-18 | Stephen Soley Jenkins | Bicycle with transmission wheel engaging rear wheel periphery |
-
1936
- 1936-12-12 GB GB34195/36A patent/GB470548A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2653737A1 (en) * | 1989-10-26 | 1991-05-03 | Maugard Michel | Frame element for a bicycle or for a static device for cycling training |
| GB2373226A (en) * | 2001-03-05 | 2002-09-18 | Stephen Soley Jenkins | Bicycle with transmission wheel engaging rear wheel periphery |
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