GB199566A - Improvements in variable speed ratio transmission gear - Google Patents
Improvements in variable speed ratio transmission gearInfo
- Publication number
- GB199566A GB199566A GB1372822A GB1372822A GB199566A GB 199566 A GB199566 A GB 199566A GB 1372822 A GB1372822 A GB 1372822A GB 1372822 A GB1372822 A GB 1372822A GB 199566 A GB199566 A GB 199566A
- Authority
- GB
- United Kingdom
- Prior art keywords
- laminae
- worms
- discs
- transmission gear
- speed ratio
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/06—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion with worm and worm-wheel or gears essentially having helical or herring-bone teeth
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
199,566. Hamilton, R. M. May 16,1922. Variable-speed gearing. - A worm-wheel 8 driven alternatively from a number of worms 7 of different pitch is made up of toothed laminae 12, which yield relatively to one another to adapt the effective pitch of the wheel to that of the worm in action. The laminae or discs 12, Fig. 2, are pressed between end discs 13 by a spring 14, which is adapted to be compressed, to ease the laminae, by thrust pins 17 operated through a disc 18 and roller 20 from a lever 24. The worms 7 may be separate as shown in Fig. 1, and integral with a barrel 2, which is slid axially over a driving-shaft 1 to change speed, the discs 12 being then rendered loose. Alternatively, the worms may be close together, their teeth having the developed form shown in Fig. 5, the opposed inclination being for reversed driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1372822A GB199566A (en) | 1922-05-16 | 1922-05-16 | Improvements in variable speed ratio transmission gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1372822A GB199566A (en) | 1922-05-16 | 1922-05-16 | Improvements in variable speed ratio transmission gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB199566A true GB199566A (en) | 1923-06-28 |
Family
ID=10028288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1372822A Expired GB199566A (en) | 1922-05-16 | 1922-05-16 | Improvements in variable speed ratio transmission gear |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB199566A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2516193A1 (en) * | 1981-11-06 | 1983-05-13 | Yvinec Raymond | Mechanical speed change mechanism - has perpendicular shafts geared together by bevel gear and endless screw |
-
1922
- 1922-05-16 GB GB1372822A patent/GB199566A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2516193A1 (en) * | 1981-11-06 | 1983-05-13 | Yvinec Raymond | Mechanical speed change mechanism - has perpendicular shafts geared together by bevel gear and endless screw |
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