CS157144B2 - - Google Patents
Info
- Publication number
- CS157144B2 CS157144B2 CS298972A CS298972A CS157144B2 CS 157144 B2 CS157144 B2 CS 157144B2 CS 298972 A CS298972 A CS 298972A CS 298972 A CS298972 A CS 298972A CS 157144 B2 CS157144 B2 CS 157144B2
- Authority
- CS
- Czechoslovakia
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
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/62—Gearings having three or more central gears
- F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
-
- 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
- B62M11/145—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the bottom bracket
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Structure Of Transmissions (AREA)
- Retarders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13948671A | 1971-05-03 | 1971-05-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS157144B2 true CS157144B2 (en:Method) | 1974-08-23 |
Family
ID=22486894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS298972A CS157144B2 (en:Method) | 1971-05-03 | 1972-05-03 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3727484A (en:Method) |
| AU (1) | AU448026B2 (en:Method) |
| BR (1) | BR7202735D0 (en:Method) |
| CA (1) | CA949355A (en:Method) |
| CS (1) | CS157144B2 (en:Method) |
| DE (1) | DE2220510A1 (en:Method) |
| FR (1) | FR2135564B1 (en:Method) |
| GB (1) | GB1330806A (en:Method) |
| IT (1) | IT957215B (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157667A (en) * | 1976-10-04 | 1979-06-12 | Giovanna Rinaldi | Variable ratio drive for gearing rotating parts to one another utilizable for cycles, motorcycles, motor vehicles and machines in general |
| JPS57209427A (en) * | 1981-06-17 | 1982-12-22 | Nissan Motor Co Ltd | Column change type controller for automatic speed change gear |
| US4706982A (en) * | 1986-04-21 | 1987-11-17 | Hartmann Dirck T | Dual range planetary transmission for pedal powered vehicles |
| US4838122A (en) * | 1986-09-18 | 1989-06-13 | Bridgestone Cycle Co., Ltd. | Speed change device for bicycle |
| TW201514058A (zh) * | 2013-10-14 | 2015-04-16 | Chen zheng he | 二輪載具結構（三） |
| WO2018095910A1 (en) | 2016-11-24 | 2018-05-31 | Menichetti Paolo | Transmission device for gear switching, and human-powered vehicle comprising said device |
| US11964375B2 (en) | 2019-11-27 | 2024-04-23 | Black & Dekcer Inc. | Power tool with multispeed transmission |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US763654A (en) * | 1903-01-20 | 1904-06-28 | George Samuel Baker | Wheel-gearing for the transmission of power. |
| US2553465A (en) * | 1946-11-30 | 1951-05-15 | Monge Jean Raymond Barthelemy | Manual or power-operated planetary transmission |
| US2717524A (en) * | 1952-07-29 | 1955-09-13 | Frederick L Davis | Constant speed transmissions |
| US2900848A (en) * | 1954-04-09 | 1959-08-25 | Henn-Collins Christophe Arthur | Mechanical selective positioning mechanism |
| US2925134A (en) * | 1955-05-18 | 1960-02-16 | Toro Mfg Corp Of Minnesota | Power implement with controllable speed reducing drive mechanism |
| US3417639A (en) * | 1966-04-06 | 1968-12-24 | Giddings & Lewis | Planetary speed change transmission for machine tool feed drives |
-
1971
- 1971-05-03 US US00139486A patent/US3727484A/en not_active Expired - Lifetime
-
1972
- 1972-03-13 CA CA136,892A patent/CA949355A/en not_active Expired
- 1972-04-21 GB GB1873972A patent/GB1330806A/en not_active Expired
- 1972-04-21 IT IT7311/72A patent/IT957215B/it active
- 1972-04-26 DE DE19722220510 patent/DE2220510A1/de active Pending
- 1972-05-02 FR FR727215464A patent/FR2135564B1/fr not_active Expired
- 1972-05-03 CS CS298972A patent/CS157144B2/cs unknown
- 1972-05-03 AU AU41846/72A patent/AU448026B2/en not_active Expired
- 1972-05-03 BR BR2735/72A patent/BR7202735D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT957215B (it) | 1973-10-10 |
| FR2135564B1 (en:Method) | 1973-07-13 |
| FR2135564A1 (en:Method) | 1972-12-22 |
| AU4184672A (en) | 1973-11-08 |
| CA949355A (en) | 1974-06-18 |
| BR7202735D0 (pt) | 1973-05-03 |
| US3727484A (en) | 1973-04-17 |
| DE2220510A1 (de) | 1972-11-16 |
| GB1330806A (en) | 1973-09-19 |
| AU448026B2 (en) | 1974-05-09 |