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A motorized wheelchair, powerchair, electric wheelchair, or electric-powered wheelchair (EPW) is a wheelchair that is propelled by means of an electric motor (usually using differential steering) rather than manual power. Motorized wheelchairs are useful for those unable to propel a manual wheelchair or who may need to use a wheelchair for ...
In the 1980s they launched "Avenues," an adaptive clothing line for wheelchair users. [16] They also diversified into hospital beds, but it suffered major losses. [ 2 ] Changes within the company and in the business landscape during the 1980s left Everest & Jennings struggling at decade's end.
A drive shaft system weighs more than a chain system, usually 0.5–1 kg (1–2 lb) heavier. Many of the advantages claimed by drive shaft's proponents can be achieved on a chain-driven bicycle, such as covering the chain and sprockets. Use of lightweight derailleur gears with a high number of ratios is impossible, although hub gears can be used.
A standing wheelchair is an automated device that assists its user in moving from a seated, to standing position and oftentimes back to flat if the chair has the capabilities of doing so. Standing wheelchairs are common among individuals with: muscular dystrophy, multiple sclerosis, and other ailments that compromise mobility functions.
A wheelchair lift in the front door of a TriMet bus in Portland, Oregon, in 2010 A bus in Prague with wheelchair lift extended, 2006. A wheelchair lift, also known as a platform lift, or vertical platform lift, is a fully powered device designed to raise a wheelchair and its occupant in order to overcome a step or similar vertical barrier.
This motor-worm-drive system is often used in toys and other small electrical devices. A worm drive is used on Jubilee-type hose clamps or Jubilee clamps. The tightening screw's worm thread engages with the slots on the clamp band. Occasionally a worm drive is designed to run in reverse, resulting in the worm shaft turning much faster than the ...
View from above of wheelchair racing competition at the 2000 Summer Paralympics. The distances involved in wheelchair racing include sprint distances of 100 m (109.4 yards), 200 m (218.7 yards) and 400 m (437.4 yards), middle distances of 800 m (874.9 yards) and 1500 m (1640.4 yards), long distances of 5000 m (3.1 miles) and 10,000 m (6.2 miles) and relay races of 4 × 100 m (109.4 yards) and ...
This subway station was the site of a man in a wheelchair who rammed the doors of an elevator multiple times, and eventually fell to his death after he disabled both doors. [ 1 ] [ 2 ] He was awarded a Darwin Award [ 3 ] and elevators in South Korean subway stations later started to install stickers telling not to do that action.
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