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In January 1964, David R. Snoeyenbos, while working for General Motors Corporation, revised the design of the air caster, and filed a patent for a “reversible air bearing support”. [4] General Motors Corporation manufactured air casters, or “air bearings” for several years, then sold the rights to Snoeyenbos, who moved to Decatur ...
Air caster: Gas flow is controlled through an air bag Aerodynamic: Foil bearing: Bearing surface is flexible, allowing large displacement and providing a good stability. Spiral groove bearing: Gas film is pressurized by grooves machined on one of the surfaces, achieving high load capacity and stability.
However, the larger the diameter of a caster wheel, the higher the caster support arm must be. Either the base of a low-hanging object must be lifted higher above the wheels, or the casters must hang out to the sides straddling the low-hanging supported object. While rotating around the vertical shaft, swivel caster wheels sweep out a space.
DETROIT (Reuters) -U.S. automakers Ford Motor and General Motors will donate $1 million each, along with vehicles, to U.S. President-elect Donald Trump's January inauguration, company ...
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Riding a caster board requires using a twisting motion of hips and legs. A rider or "caster boarder" gains speed because each wheel is mounted on a 30° slant on the bottom of each deck. When each deck is pushed to the side, it causes the board to be pushed upward by the wheels' rotation against the gradient of the mounts.