Standing umbrella

Details Standing umbrella Standing umbrella

1996-10-18

1998-10-27

Mai, Lanna

Tent, canopy, umbrella, or cane

Umbrella

Auxiliary frame brace

135 28, 135 334, A45B 2502

Patent

active

058266046

ABSTRACT:
A standing umbrella includes an upright pole, a top affixed to the upper end of the upright pole, a slide member displaceably mounted on the upright pole, at least four tensioning struts having free outer ends and inner ends linked to the slide member at respective pivots, a flexible cover affixed to the tensioning struts, and flexible carrier elements extending between the top and the tensioning struts. Displacement of the slide member towards the lower end of the upright pole moves the tensioning struts into positions in which they almost extend perpendicularly to the upright pole, diametrically opposite ones of the tensioning struts enclosing an angle of less than 180.degree., whereby the umbrella is opened, and displacement of the slide member towards the upper end of the upright pole causes the umbrella to be closed. A flexible member extends between the tensioning struts and is affixed thereto for limiting the opening movement of the tensioning struts.

REFERENCES:
patent: 540098 (1895-05-01), Grove et al.
patent: 1666692 (1928-04-01), Epstein
patent: 1824192 (1931-09-01), Bouma
patent: 2114598 (1938-04-01), Grissel
patent: 2143978 (1939-01-01), Eeles
patent: 2725066 (1955-11-01), Estes et al.
patent: 3032047 (1962-05-01), Wendorf
patent: 3217723 (1965-11-01), Suchy
patent: 3561157 (1971-02-01), Lizasoain
patent: 4934394 (1990-06-01), Hermanson
patent: 5131422 (1992-07-01), Aronov
patent: 5143107 (1992-09-01), Kelley

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