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Stairclimber wheels. A stairclimber is a type of trolley fitted with rotating wheels or tracks so that it can be pushed or pulled up or down steps or a stairway.Stairclimbers can be manual or battery-powered, and are commonly found in wheel, track, push arm or walker variants.
A piano trolley or piano dolly is a two- or four-wheeled trolley featuring a stronger-than-usual frame. [4] They are typically measuring approximately 50 to 80 cm ( 19 + 5 ⁄ 8 to 31 + 1 ⁄ 2 in) long and are used by removals companies for moving pianos.
The rotifers (/ ˈ r oʊ t ɪ f ər z /, from Latin rota 'wheel' and -fer 'bearing'), sometimes called wheel animals or wheel animalcules, [1] make up a phylum (Rotifera / r oʊ ˈ t ɪ f ər ə /) of microscopic and near-microscopic pseudocoelomate animals.
An early wheel made of a solid piece of wood. A wheel is a rotating component (typically circular in shape) that is intended to turn on an axle bearing. The wheel is one of the key components of the wheel and axle which is one of the six simple machines. Wheels, in conjunction with axles, allow heavy objects to be moved easily facilitating ...
Baggage carts are usually built out of steel and equipped with three or four wheels. For safety reasons, they are generally fitted with a brake. [citation needed] Usually, a handle has to be pushed down in order to move the cart, however, in some cases, such as London airports, the handle activates the brake. Very few carts, e.g. in developing ...
Omni wheels or poly wheels, similar to Mecanum wheels, are wheels with small discs (called rollers) around the circumference which are perpendicular to the turning direction. The effect is that the wheel can be driven with full force, but will also slide laterally with great ease. These wheels are often employed in holonomic drive systems.
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