Reversible umbrella

Details Reversible umbrella Reversible umbrella

1997-11-12

1999-06-08

Mai, Lanna

Tent, canopy, umbrella, or cane

Umbrella

Collapsible in length

135 29, 135 31, A45B 1900

Patent

active

059097469

ABSTRACT:
In this invention an umbrella with a cover, preferably square or rectangular, is supported on a telescopic shaft by articulated ribs that extend from the shaft beneath the cover. The articulated ribs are connected to auxiliary ribs and both are controlled by guides and stabilizers that extend radially from a reciprocable transfer sleeve on the telescopic shaft and move the ribs and auxiliary ribs to fold the cover inside out as the transfer sleeve is lowered on the shaft, the shaft is shortened, and the umbrella is closed.

REFERENCES:
patent: 973207 (1910-10-01), Pokorny
patent: 973406 (1910-10-01), Clark
patent: 1264010 (1918-04-01), Calusinski
patent: 2711182 (1955-06-01), Kiel et al.
patent: 4682617 (1987-07-01), Schultes et al.
patent: 4739783 (1988-04-01), Yang
patent: 4766917 (1988-08-01), Yang
patent: 5085239 (1992-02-01), Chin-Hung et al.
patent: 5564449 (1996-10-01), Lin et al.
patent: 5615697 (1997-04-01), Lin et al.
patent: 5617889 (1997-04-01), Wu

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