GB576610A - Improvements in or relating to multi-speed gears - Google Patents
Improvements in or relating to multi-speed gearsInfo
- Publication number
- GB576610A GB576610A GB1699144A GB1699144A GB576610A GB 576610 A GB576610 A GB 576610A GB 1699144 A GB1699144 A GB 1699144A GB 1699144 A GB1699144 A GB 1699144A GB 576610 A GB576610 A GB 576610A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dogs
- train
- movement
- engage
- cage
- 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
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
- B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
Abstract
576,610. Variable-speed gearing. BIRMING- HAM SMALL ARMS CO., Ltd., and NEEDHAM, V. E. Sept. 6, 1944, No. 16991. [Class 80 (ii)] A three speed gear, particularly for cycle hubs, comprises a simple epicyclic train which is moved bodily in an axial direction to effect speed ratio changes. Planet pinions 33 in a cage 31 mesh with a long sun pinion 3 cut in a solid fixed axle 1. Dogs 37, 39, on the cage 31 engage dogs 15, 29, respectively, on the driving member 7 and driven hub 21 when the gear train is in its end positions. In the normal speed position shown, long dogs 65 on the toothed annulus 35 engage the dogs 15 and also dogs 23 on the hub 21. Movement of the train to the right to engage dogs 15, 37, and disengage dogs 15, 65, give an overdrive, whilst movement of the train to the left to engage dogs 29, 39, give a low speed ratio. The gear. train is actuated by a rod 59 carrying a cross-pin 49 engaging a sleeve 45, movement of the rod 59 to the right being transmitted through a spring 47 to a sleeve 43 connected to the cage 31. In the other direction the movement is effected by a spring 55.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1699144A GB576610A (en) | 1944-09-06 | 1944-09-06 | Improvements in or relating to multi-speed gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1699144A GB576610A (en) | 1944-09-06 | 1944-09-06 | Improvements in or relating to multi-speed gears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB576610A true GB576610A (en) | 1946-04-11 |
Family
ID=10087251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1699144A Expired GB576610A (en) | 1944-09-06 | 1944-09-06 | Improvements in or relating to multi-speed gears |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB576610A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3352175A (en) * | 1964-04-20 | 1967-11-14 | Bergles Eduard | Speed-change gearing (gearing hub) for bicycles |
-
1944
- 1944-09-06 GB GB1699144A patent/GB576610A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3352175A (en) * | 1964-04-20 | 1967-11-14 | Bergles Eduard | Speed-change gearing (gearing hub) for bicycles |
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