FIELD: transport.
SUBSTANCE: proposed carriage comprises front driving wheels fitted on common axle and rear wheel fitted on turn frame. Besides it has seat, steps and wheels drive. Driving wheel axle represents a "pipe-in-pipe" pattern with independent drive of every driving wheel. Rear wheel is fitted on U- or L-like lever articulated with said frame by mechanism of angular displacement and locking of lever with wheel relative to said frame. Said frame with seat are arranged on common axle of driving wheels.
EFFECT: higher safety at up-down travel over general use stair flights.
1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| TRICYCLE WHEELCHAIR | 2020 |
|
RU2742586C1 |
| WHEELCHAIR-STEP WALKER | 2018 |
|
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| WHEELCHAIR CHASSIS | 2020 |
|
RU2747059C1 |
| WHEELCHAIR DRIVE ACTUATOR | 2022 |
|
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| WHEELCHAIR | 2016 |
|
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| SINGLE-AXLE WHEEL-CATERPILLAR VEHICLE | 2009 |
|
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| WHEELCHAIR STABILISER | 2012 |
|
RU2497691C1 |
| WALKING WHEELCHAIR | 2010 |
|
RU2434622C1 |
| WHEEL SUSPENSION OF MEANS OF TRANSPORTATION | 2016 |
|
RU2629465C1 |
| WHEELED-TRACKED WHEELCHAIR FOR DISABLED PEOPLE | 2016 |
|
RU2616889C1 |
