Tent – canopy – umbrella – or cane – Umbrella – Inflatable
Patent
1981-05-22
1982-09-07
Skogquist, Harland S.
Tent, canopy, umbrella, or cane
Umbrella
Inflatable
A45B 1100, A45B 1700
Patent
active
043478620
ABSTRACT:
A lawn umbrella having a substantially square shaped shade, the opposed corners of which are secured to respective first and second struts. A first of the struts has an outwardly bowed configuration to tense the shade and is positioned within a sleeve at the top of a rotatable mast. The second strut has an inwardly bowed configuration and is positioned within a slideway on the mast below the top. The inclination of the shade may be varied merely by moving the second strut within the slideway.
REFERENCES:
patent: 2871868 (1959-02-01), Faasse
patent: 3252469 (1966-05-01), Peake
patent: 3314630 (1967-04-01), Lewis
patent: 3709238 (1973-01-01), Leopoldi
patent: 4015802 (1977-04-01), Heredia
patent: 4312371 (1982-01-01), Koon
Ruderman Alan
Skogquist Harland S.
The Sherwood Corporation
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