Garden and market umbrella

Details Garden and market umbrella Garden and market umbrella

1982-07-20

1984-01-10

Skogquist, Harland S.

Tent, canopy, umbrella, or cane

Umbrella

Inflatable

A45B 1904

Patent

active

044248245

ABSTRACT:
This disclosure relates to an umbrella having a support tube uppermost end portion into which is telescopically received an umbrella shaft carrying a crown to which is pivotally connected cover ribs, a sleeve in external telescopic relationship to the support tube, a plurality of struts pivotally connected between the sleeve and the cover ribs, a threaded spindle within the umbrella shaft threaded relative to a threaded nut fixed to the umbrella shaft, and a flexible element, such as a cable, rope or wire, having ends fixed to the sleeve and to the umbrella shaft and being guided over a pulley carried by the umbrella shaft.

REFERENCES:
patent: 2661752 (1953-12-01), Kampf
patent: 3311119 (1967-03-01), Pearlstine
patent: 3870062 (1975-03-01), Medlin

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