CH579729A5 - - Google Patents
Info
- Publication number
- CH579729A5 CH579729A5 CH928775A CH928775A CH579729A5 CH 579729 A5 CH579729 A5 CH 579729A5 CH 928775 A CH928775 A CH 928775A CH 928775 A CH928775 A CH 928775A CH 579729 A5 CH579729 A5 CH 579729A5
- Authority
- CH
- Switzerland
Links
Classifications
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- 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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/04—Gearings providing a continuous range of gear ratios
- F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
- F16H15/26—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a spherical friction surface centered on its axis of revolution
- F16H15/28—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a spherical friction surface centered on its axis of revolution with external friction surface
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
- G03B21/43—Driving mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Friction Gearing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7433537 | 1974-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH579729A5 true CH579729A5 (de) | 1976-09-15 |
Family
ID=6646900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH928775A CH579729A5 (de) | 1974-10-05 | 1975-07-16 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH579729A5 (de) |
| FR (1) | FR2287834A7 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128483A (zh) * | 2017-05-12 | 2017-09-05 | 四川建筑职业技术学院 | 一种动力冗余设计的四旋翼无人机及其传动变速结构 |
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1975
- 1975-07-16 CH CH928775A patent/CH579729A5/xx not_active IP Right Cessation
- 1975-10-06 FR FR7530493A patent/FR2287834A7/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128483A (zh) * | 2017-05-12 | 2017-09-05 | 四川建筑职业技术学院 | 一种动力冗余设计的四旋翼无人机及其传动变速结构 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2287834A7 (fr) | 1976-05-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |