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Three-wheel walkers: This type of walker will have three wheels with two in the back and one upfront. They can be lighter and easy to use inside houses and handy in tight spaces.
Walking frames have two front wheels, and there are also wheeled walkers available having three or four wheels, also known as rollators. Walkers started appearing in the early 1950s. The first US patent was awarded in 1953 to William Cribbes Robb, of Stretford, UK, for a device called "walking aid", which had been filed with the British patent ...
The addition of geared, all-mechanical wheels for manual wheelchairs is a new development incorporating a hypocycloidal reduction gear into the wheel design. 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).
A baby in a baby walker, 1905 A 6-month-old child sitting in a baby walker. A baby walker is a device that can be used by infants who cannot walk on their own to move from one place to another. Modern baby walkers are also for toddlers. They have a base made of hard plastic sitting on top of wheels and a suspended fabric seat with two leg holes.
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Parts of an umbrella [2]. The word parasol is a combination of the Latin parare, and sol, meaning 'sun'. [3] Parapluie (French) similarly consists of para combined with pluie, which means 'rain' (which in turn derives from pluvia, the Latin word for rain); the usage of this word was prevalent in the nineteenth century.
Umbrella holder outside a store. An umbrella stand is a storage device for umbrellas and walking sticks. They are usually located inside the entrance of a home or public building, and are sometimes complemented by a hanger or mirror, [1] or combined with a coat rack. The stand is used to hold umbrellas when they are not in use.
Astronaut and NASA test pilot Walker, flying a Lockheed F-104N Starfighter, and North American Aviation test pilot Cross, co-piloting a North American XB-70 Valkyrie bomber, were killed in a mid-air collision during a publicity photo shoot of multiple aircraft with General Electric engines flying in formation near Edwards Air Force Base.