Construction & Mechanism of Wheelchair

A wheelchair, traditionally is a mobility furniture-basedand give support to the elbows. The metallic circular
device with wheels that is propelled manually orfittings to the load bearing wheels are at a convenient
automated self-propelled. Initially meant for people whodistance from the hands to reach for operational ease.
find it difficult to walk due to illness or old age orThis is rotated in circular motion to move the
disability, these are developed for various other uses inwheelchair forward or backward. Two footrests are
later days.there to support the foot. They are made of aluminum
A wheelchair consists of two main wheels to take theor steel to bear the load of the legs. Below these
load and move forward or backward. To offer stabilityfootrests are placed small two swivel wheels that
one or two more wheels are there to provide supportoffer stability.
from tilting. In basic models, there are two additionalAt the back of the seat are provided two handles firm
circles normally of firm metal make are provided thatenough to take the load of the wheelchair to be used
can be hand operated to move the wheelchair backby the helper to push or draw this to the desired
and forth. In between the two load bearing wheels, aplaces of the user. To anchor the wheelchair stopper
seat is positioned on which the user sits. This is either ais attached applying which the wheelchair is fastened
hard wooden chair or a seat with cushion to offer ato the ground from creeping in case of slopes that
more comfortable seating to user.may be unnoticeable. This is the construction of a
The chair portion has two armrests to rest the handsbasic model used by handicapped users even today.