FIELD: transportation.
SUBSTANCE: invention relates to off-road vehicles, including wheelchairs for the public use stair flights overcoming. Auger propeller with helical blade is made in the form of two parallel jaws, between which rollers are located. Hollow rollers system is made of alternating barrel shaped rollers and hyperboloid rollers having equal radiuses of the generatrices.
EFFECT: enabling expansion of the auger propeller functionality to move over hard surfaces, as well as to overcome the public use staircases.
1 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SCREW MOTOR | 2017 |
|
RU2646773C1 |
| SCREW MOTOR | 2017 |
|
RU2653325C1 |
| SCREW MOTOR | 2017 |
|
RU2655583C1 |
| SCREW MOTOR | 2018 |
|
RU2675750C1 |
| N.P. DYADCHENKO'S WHEELCHAIR CHASSIS | 2020 |
|
RU2743599C1 |
| SCREW PROPULSOR | 2020 |
|
RU2749199C1 |
| SCREW-TYPE PROPULSOR | 2020 |
|
RU2725337C1 |
| SCREW-TYPE PROPULSOR | 2019 |
|
RU2701071C1 |
| CHASSIS OF WHEELCHAIR | 2018 |
|
RU2685075C1 |
| AUGER PROPULSION UNIT | 2023 |
|
RU2794375C1 |
