Dual wheel caster body structure
AssigneeHerder N.V.
InventorCarl J. Demrick
Life of this patent
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Abstract
A dual wheel caster body construction wherein the caster body frame is fabricated from a pair of sheet metal stampings nested together at an integral swivel stem socket and secured together in the area of confronting plate portions with an axle bearing through the plate portions for an axle carrying supporting wheels on opposite sides of the plate portions and a wheel cover also fabricated from a sheet metal stamping supported on and secured to the body frame stampings.
Claims9
A caster body structure comprised of a body frame member and a separate wheel cover member, said body frame member having multi-plate structure throughout a major portion of the member, a horizontal axle bearing formed in the multi-plate structure, a vertical swivel stem socket formed integrally as a part of each plate of said multi-plate structure and extending upwardly through said wheel cover member, one of said swivel stem sockets comprising a cylindrical well portion and the other swivel stem socket comprising a socket portion nested in such well portion, and a pair of supporting wheels mounted on an axle extending through said bearing, said multi-plate structure being disposed between said supporting wheels.
Dependencies are inferred from the claim text.