Supports – Stand – Understructure
Patent
1979-05-24
1981-09-08
Schultz, William H.
Supports
Stand
Understructure
248158, 2481887, F16M 1132
Patent
active
042880521
ABSTRACT:
The disclosed collapsible stand has two sets of opposed legs extending radially from a tubular hub support, the stand being of the type that is collapsed or set up by rotating one set of legs relative to the other set of legs about the hub support until the legs are at 90.degree. to each other. Each leg is formed of an elongated rod back folded on itself to present inner and vertically spaced inner ends that are secured to the discs mounted on the hub support with an outer center portion of the back folded rod engaging the floor and serving as a foot for the stand. The inner ends of the legs are sandwiched between a pair of discs movably and rotatably mounted on the tubular hub support. Two pairs of locking or detenting tabs are upstruck from each of the lower discs, each pair of tabs being spaced apart to define a leg receiving slot therebetween. Preferably, the inner ends of the legs are each disposed between a pair of detents to provide a firm and stable support. The resiliency of the back folded rods of the inner support element urges the rod ends into the slots between the tabs and a squeezing of the inner ends of the rods will shift the inner ends from the detent slots whereby a subsequent turning of the legs and their discs allows the legs to be collapsed to positions adjacent each other. The stand is economically fabricated and yet has a pleasing appearance in that the upper discs are unmarred and cover the detent tabs.
REFERENCES:
patent: 552502 (1896-01-01), Andrews
patent: 2670163 (1954-02-01), Armitage
patent: 2699308 (1955-01-01), Shackelford
patent: 2908461 (1959-10-01), Coffeen
patent: 3387808 (1968-06-01), Metcalf
patent: 3787018 (1974-01-01), Nathan
patent: 4032098 (1977-06-01), Marschak
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