Tent – canopy – umbrella – or cane – Umbrella – Combined
Patent
1993-12-02
1995-03-14
Mai, Lanna
Tent, canopy, umbrella, or cane
Umbrella
Combined
135 19, 403 97, 403391, 403397, 248514, 248534, A45B 300
Patent
active
053969154
ABSTRACT:
A shading apparatus (10) for use with a riding lawnmower mounts to the seat or other suitably stable part. A shader (12) is of sufficient diameter to shade the rider of a riding lawnmower under most conditions. The shader (12), typically an umbrella is supported by a single shaft (14). Shaft (14) is next inserted into umbrella support bracket (36), a cylindrical receptacle dimensioned to provide a snug fit. The umbrella support bracket (36) can be pivotally connected to a support flange (34) by connection means. The connection means can be a wing nut (26) penetrating both the bracket (36) and the flange (42). Support flange (34), in turn is connected to the riding lawnmower by a plurality of screws (32). Radial ridges on complementary surfaces (40a, 42) hold the umbrella (12) in position under normal conditions. However, should the umbrella strike a limb, the force imparted to the shaft (14) overcomes the friction forces between surfaces (40a, 42a) allowing the umbrella to fall away from the source of the impact.
REFERENCES:
patent: 504900 (1893-09-01), Barnes
patent: 508418 (1893-11-01), Hearney
patent: 2529755 (1950-11-01), Alter
patent: 2984249 (1961-05-01), Sears, Jr. et al.
patent: 3304035 (1967-02-01), Davis
patent: 3602466 (1971-08-01), Drowns
patent: 3765434 (1973-10-01), Riggs
patent: 3889908 (1975-06-01), Larson
patent: 4244550 (1981-01-01), Yamada
patent: 4871141 (1989-10-01), Chen
patent: 4917343 (1990-04-01), Wainscott
Alsto Handy Helper's Catalog, Item No. 4303400 entitled "Tractor Umbrella", 1991.
Carstens David W.
Mai Lanna
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