Stair Lifts - How Do They Work?

Mobility and independent living are very closelywider to accommodate a stair lift system.
intertwined. For those who are disabled by injury,Some version of stair lifts have a chair mounted onto
disease, or simple aging, tasks that most of us take fora belt housed along the rail. It moves a chair up or
granted, like rising from a chair and climbing a staircasedown the stairs in a "conveyor belt" manner. Still other
can be serious challenges. But there are special aidsversions have a rack and pinion system. In this design,
designed to improve mobility and thus maintain athe chair is mounted to a pinion that has several teeth.
certain degree of independence. These aids also helpThe pinion rolls along the rack, which interconnects with
prevent serious injury. A simple fall that a younger adultthe pinion teeth like a gear, providing secure transport
can "shake off" can cause serious injury in a disabledalong the rail.
or elderly person.While many stair lift systems are wired directly into the
To help disabled people maintain as muchhome electrical system, some are battery powered,
independence as possible, there are chairs that assistand some are AC powered with DC back-up
people in standing up, walking aids, and extendedcapability. DC powered stair lifts will automatically
graspers that allow access to things that mightcharge when the system isn't in use, meaning it will
otherwise be out of reach. Another very valuable aidwork during a power cut.
to independence is a stair lift, which can allow aWeight capacity varies from model to model, but most
disabled person to remain in a house with a staircasecan carry a maximum of 120 kg, or around 270 lbs.,
and make things easier on other members of thealthough there are systems designed for people larger
household who would otherwise have to engage inthan that. While stair lifts are expensive, they are
serious physical demands to help the person up thecertainly less expensive than assisted living facilities. In
stairs.the U.S. Medicare does not cover the installation of
Generally speaking, stair lifts run on a track that is fittedstair lifts. In some states, Medicaid will pay for part of a
directly to the stair treads. A motor pulls the stair liftstair lift if it is prescribed by a doctor and purchased
chair along the tracks. Installation of a stair lift requiresthrough an approved dealer. Grants, loans, and dealer
a couple of hours for a straight stair case, orfinancing are some of the ways people pay for the
somewhat longer for curved stair cases. When not ininstallation of stair lifts.
use, the stair-lift remains parked at the top or bottomPeople who are elderly or disabled can maintain much
of the staircase. Many stair lifts come with a foot rest,more independence of daily living if they have basic
and some come with safety belts and controls forassistance from devices like stair lifts and lift chairs.
speed and direction. Most of them fold up flat againstWhile such aids to everyday living can be expensive,
the wall, leaving the staircase usable to everyone else.for an elderly or disabled person who relishes their
A staircase generally needs to be 24 inches wide orindependence, they can be a priceless investment.