A stairlift or stair lift is a mechanical device that carries people up and down stairs in a chair.[1] Stairlifts are often used by people who are handicapped or cannot walk up the stairs.
Stairlifts travel on rails that are bolted to the staircase, not the wall. Most stairlifts have a battery-powered motor. The battery allows the user to ride the lift even if the power goes out.
Straight Rail Stair Lifts - A straight rail stair lift is the most common type. It is designed for straight stairs and can be installed quickly. With a straight rail stair lift, the rail is attached to the treads of the stairs by legs that are spaced approximately a foot (30 cm) apart.
Curved Rail Stair Lifts - A curved rail stair lift follow the unique curvature of a staircase. This means the planning and installation process is slower and more expensive since it is customized and the rail may have to be longer.
Platform Stair Lifts - Wheelchair or platform stair lifts has the standard seat but is big enough to carry a wheelchair. These stair lifts may also need more power than traditional curved or straight rail stair lifts. They are therefore most common in commercial buildings, hospitals, and assisted living facilities and nursing homes.
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