Patent ID: 8757644
Filing Date: 2014-06-24
Classification: A61G

Abstract:
1. A wheelchair comprising: a vehicle frame including a seat section and a back section; a front wheel which comprises a universal caster, the front wheel being provided at a lower portion of a front end part of the vehicle frame; a pair of rear wheels which are detachably attached to both sides in a width direction of a rear end part of the vehicle frame; and a lift-up wheel which comprises a universal caster and is provided at a lower portion of the rear end part of the vehicle frame such that the lift-up wheel is capable of being elevated between a ground-contact position and a non-ground-contact position by an elevation mechanism, the lift-up wheel being configured such that the lift-up wheel, together with the front wheel, movably supports the vehicle frame in a lowered state of the lift-up wheel at the ground-contact position, wherein the elevation mechanism includes: