Automatically closing umbrella

Details Automatically closing umbrella Automatically closing umbrella

1991-08-07

1992-06-30

Raduazo, Henry E.

Tent, canopy, umbrella, or cane

Umbrella

Self-opening and closing

135 24, 135 44, A45B 2514

Patent

active

051254263

ABSTRACT:
An umbrella includes a shaft restoring spring provided in a central shaft of the umbrella which will store its elastic force when opening the umbrella and extendig the shaft so that upon a depression of a closing controller formed on a grip of the umbrella, the shaft restoring spring will restore to retract the shaft in order to quickly close the umbrella as assisted by a rib restoring spring which restores to close the umbrella ribs.

REFERENCES:
patent: 3003508 (1961-10-01), Bremshey
patent: 4149553 (1979-04-01), Lee
patent: 5058613 (1991-10-01), Su
patent: 5060684 (1991-10-01), Wu

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