Stably-retained automatic umbrella

Details Stably-retained automatic umbrella Stably-retained automatic umbrella

1990-09-07

1991-02-05

Scherbel, David A.

Tent, canopy, umbrella, or cane

Umbrella

Self-opening and closing

135 24, A45B 2514

Patent

active

049896253

ABSTRACT:
An automatic umbrella includes a plurality of ribs respectively pivotally secured to a plurality of ferrules respectively mounted or held on a telescopic central shaft, an opening tensioning spring formed in the central shaft for opening the umbrella, and at least a retraction restoring spring for closing the umbrella, in which a lower ferrule pivotally connecting one of the ribs is engageable with a hook portion of a controller formed in the grip when closing the umbrella for stably retaining the umbrella ribs especially when folded.

REFERENCES:
patent: 3658077 (1972-04-01), Sato
patent: 3856030 (1974-12-01), Sato
patent: 4941494 (1990-07-01), Wu

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