FIELD: transport.
SUBSTANCE: invention relates to foot crank mechanisms. Cranks 6 are keyed to shaft 16. One spacer ring is fitted on shaft 16 while another one is fitted in bicycle frame carriage assembly. Inner ends of cranks 6 thrust against each other via inner races of carriage assembly bearings and via spacer ring on shaft 16. Outer races of bicycle frame carriage assembly bearings thrust against each other via spacer ring fitted in bicycle frame carriage assembly. Con rod angular displacement relative to crank within the limits of 45 degrees in vertical position of cranks is limited by inner surfaces of con rod via shockproof spacers.
EFFECT: accurate positioning, reliable operation.
6 cl, 13 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| BICYCLE WITH ERGONOMIC FIT AND PEDALLING | 2019 |
|
RU2724027C1 |
| COMPACT BICYCLE WITH ELLIPTICAL DRIVE | 2012 |
|
RU2492096C1 |
| BICYCLE BOTTOM BRACKET | 2004 |
|
RU2253588C1 |
| BICYCLE PEDAL | 2005 |
|
RU2278055C1 |
| BICYCLE (VERSIONS), BICYCLES WHEELS, BICYCLE DRIVE, BICYCLE LEVER MECHANISM, BICYCLE PEDAL MECHANISM AND SET COMPRISING BICYCLE AND TRAILER | 2007 |
|
RU2373101C2 |
| SIMULATOR FOR TRAINING CIRCULAR PEDALLING IN CYCLING | 2013 |
|
RU2543444C1 |
| VEHICLE MUSCULAR DRIVE | 1996 |
|
RU2100240C1 |
| BICYCLE | 2021 |
|
RU2753426C1 |
| PEDAL DRIVE | 1992 |
|
RU2068364C1 |
| BICYCLE CARRIAGE ASSEMBLY | 2018 |
|
RU2698286C1 |
