A WHEELED VEHICLE AND A METHOD OF OPERATION THEREOF

摘要

The present invention relates to a wheeled vehicle and a method of operation thereof. The invention is particularly suitable for use in relation to mobility aids for the disabled. The wheeled vehicle includes a frame, a first wheel assembly including first and second wheels having parallel and spaced apart axes of rotation, wherein the first and second wheels are adapted to pivot about a first pivot axis relative to the frame, and a second wheel assembly including a third wheel adapted to pivot about a second pivot axis relative to the frame. Some embodiments are adapted to provide a wheeled vehicle that is capable for ascending and/or descending a step. Some embodiments are adapted to facilitate pivoting of the first and second wheel assemblies using a single actuator.

主权项

1. A wheeled vehicle including:
a frame for supporting a seat for a user, the frame having a front and a rear with reference to a direction faced by a user sitting on the seat; a first wheel assembly coupled towards the rear of the frame at a first pivot axis and including first and second wheels having parallel and spaced apart axes of rotation, wherein the first and second wheels of the first wheel assembly are adapted to pivot about the first pivot axis relative to the frame; a second wheel assembly coupled towards the front of the frame and including a third wheel adapted to pivot about a second pivot axis relative to the frame; wherein the first and second wheels of the first wheel assembly are pivotable in a first direction about the first pivot axis when the first and second wheels are supported on a surface to thereby tilts the frame and the seat supported on the frame rearwardly and raises the third wheel off the surface wherein the vehicle is entirely supported on the surface by the first and second wheels.