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A heavy duty rear-drive can carry up to 230 kg (500 pounds), varying by manufacturer. Mobility scooters come in various types: user-powered, small, light manual scooters for travel, without battery or motor, propelled by a central lever drive (CLD) in a push-pull rowing motion to provide mobility and exercise at the same time.
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 ...
Farffler's carriage of 1655. Invalid carriages were usually single seater road vehicles, buggies, or self-propelled vehicles for disabled people. They pre-dated modern electric mobility scooters and, from the 1920s, were generally powered by small gasoline/petrol engines, although some were battery powered.
Boardwalk wheelchairs, early 20th century Wheelchairs allow for people with disabilities to travel, like this child in Egypt. An attendant-propelled wheelchair (also known as a companion or transfer chair) is generally similar to a self-propelled manual wheelchair, but with small diameter wheels at both front and rear.
By the early 1970s, Everest & Jennings International was "the world's largest supplier of wheelchairs." [ 11 ] But this status brought increased scrutiny. [ 12 ] In 1977, the United States Justice Department formally accused Everest & Jennings of practices that violated antitrust laws.
Stephan Farffler (1633 – October 24, 1689 [1]), sometimes spelled Stephan Farfler, was a German watchmaker of the seventeenth century whose invention of a manumotive carriage in 1655 is widely considered to have been the first self-propelled wheelchair.