FIELD: transport.
SUBSTANCE: invention relates to bicycle speed control device. Control device comprises gearshift mechanism with pulleys, belts and flexible control cable. Gearshift mechanism is composed of two belts and two pairs of pulleys, constantly engaged. Two drive pulleys are installed on different sides of drive shaft, and two driven ones at different sides of driven shaft via overrunning clutches. High gear pulley is connected with drive shaft via clutch.
EFFECT: provided is higher reliability and longer life.
1 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| TRANSMISSION FOR BICYCLE WITH BUILT-IN FUNCTIONS OF FREE-WHEEL CLUTCH AND BRAKING | 2016 |
|
RU2634601C2 |
| DRIVE FOR BICYCLES AND VELOMOBILES | 2005 |
|
RU2294859C1 |
| ROWER EXERCISING APPARATUS | 2000 |
|
RU2201785C2 |
| ROWER EXERCISING APPARATUS | 1999 |
|
RU2153909C1 |
| BICYCLE DRIVE | 2000 |
|
RU2184673C2 |
| VARIABLE MULTISPEED DRIVE FOR BICYCLE | 1993 |
|
RU2048365C1 |
| FRICTION TRANSMISSION | 1991 |
|
RU2011069C1 |
| CIRCULAR-KNITTING MACHINE DRIVE | 0 |
|
SU821575A1 |
| BICYCLE TRANSMISSION | 2017 |
|
RU2654444C1 |
| BICYCLE | 1991 |
|
RU2025385C1 |
