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Rollator: Considered the most advanced type of walker, a rollator has four wheels and usually includes extra features like a seat, backrest and hand brakes. It may be easier to use because you don ...
[9] [10] Although originally a brand name, "rollator" has become a genericized trademark for wheeled walkers in many countries, and is also the most common type of walker in several European countries. The rollator consists of a frame with three or four large wheels, handlebars and a built-in seat, which allows the user to stop and rest when ...
The 2-gear wheels can be added to a manual wheelchair. The geared wheels provide a user with additional assistance by providing leverage through gearing (like a bicycle, not a motor). The two-gear wheels offer two speed ratios- 1:1 (no help, no extra torque) and 2:1, providing 100% more hill climbing force.
Since the four-legged walkers available at that time did not meet the requirements for a comfortable walking aid, she began working on an improved design. She made the original frame more stable, added larger wheels and brakes, and a storage or seating surface. She also optimized the device for use both inside and outside of buildings.
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Charles Blondin (born Jean François Gravelet, 28 February 1824 – 22 February 1897) was a French tightrope walker and acrobat.He toured the United States and was known for crossing the 1,100 ft (340 m) Niagara Gorge on a tightrope.
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