Powerful strutting action umbrella framework

Details Powerful strutting action umbrella framework Powerful strutting action umbrella framework

1994-03-18

1996-02-27

Wood, Wynn E.

Tent, canopy, umbrella, or cane

Umbrella

Ribs and stretchers

135 32, 135 37, 135253, 135908, A45B 1900

Patent

active

054940656

ABSTRACT:
An improved umbrella framework having a powerful strutting action is provided. The umbrella framework includes a strut frame member situated at the underside of a first umbrella frame member. The outer end of the strut frame member is connected to the outer end of a second umbrella frame member. The center of the strut frame member is connected to a support strut and the inner end is connected to a center guide. The center guide is installed onto the umbrella pole between a positioning ring and an upper guide. A sliding guide is disposed on the umbrella pole below the positioning ring. The sliding guide is operated to open the umbrella, whereupon the support strut effectively actuates the movement of the commonly connected strut frame member, the second umbrella frame member and the tail umbrella frame member.

REFERENCES:
patent: 3780748 (1973-12-01), Weber
patent: 3848740 (1974-11-01), Weber
patent: 4030514 (1977-06-01), Schultes
patent: 4676262 (1987-06-01), Yang
patent: 5048550 (1991-09-01), Su
patent: 5235998 (1993-08-01), Liu
patent: 5370144 (1994-12-01), Yang

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