Published at Monday, 17 September 2018. Stair. By Alwine Seiler.
Battery packs come as a sealed unit that is maintenance free. Eventually, however, it will lose its ability to hold a charge and need to be replaced. the battery packs attach to the stair lift or are externally mounted near the charge station. It is a good idea to check the cost of batteries when choosing a stair lift, because they will have to be replaced eventually. Stair lift technology has moved away from the use of household AC power to use of rechargeable DC battery packs. While the batteries recharge on the household current, the lift does not require the household current in order to work, allowing use of the lift during power outages and resulting in a much smoother and quieter ride.
The biggest danger with AC powered stair lifts is that during a power failure, the stair lift will not function. Early versions of stair lifts were all AC powered. Trailing electrical cables presented tripping hazards, and the lifts moved in a jerky, start-stop manner due to the nature of the AC powered motor. At that time there wasn’t much choice because battery technology had not advanced as far as it has today. Today, DC powered stair lifts that only recharge from the household supply of electricity are the most popular lift chair designs. With DC powered stair lifts, if the power goes out, the battery can’t charge, but the lift will still be functional until the battery’s charge runs out. These models are quieter than AC models, too.
Curved stairs are not as safe as a strait set of stairs. Curved stairs get very narrow on one side. A curved set of steps may be difficult to negotiate in an emergency or fire situation. Handrails should be installed on at least one side of the stairs that has two or more risers. Properly configured stair handrails should 34 inches high and they should be designed to comfortably accommodate a person wrapping their hand around the rail. Guardrails also should accompany a handrail system on a properly configured set of steps. The gaps should be only 4 inches wide so that the body of a child can not fit though the openings.
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