Fording frames of an umbrella

Details Fording frames of an umbrella Fording frames of an umbrella

1989-06-22

1991-01-15

Raduazo, Henry E.

Tent, canopy, umbrella, or cane

Umbrella

Collapsible in length

135 26, A45B 1900

Patent

active

049845993

ABSTRACT:
The present invention relates to an umbrella with improved fording frames which includes an upper frame and a lower frame, and is characterized in that a sliding frame is provided at the connected portion of the upper frame and the lower frame; where the other end of the sliding frame being connected to a sliding hole of a pulling frame which connects with a pushing frame at the same end. And wherein the total length of the sliding frame and the pulling frame is equal to the length of the upper frame minus the length of the sliding hole. While the umbrella is opened, the frames can be provided in a smooth curve for being covered by the shade completely.

REFERENCES:
patent: 744476 (1903-11-01), Burgess
patent: 829858 (1906-08-01), Eaton
patent: 838092 (1906-12-01), Ely
patent: 912206 (1909-02-01), Thayer
patent: 1264010 (1918-04-01), Calusinski
patent: 1447815 (1923-03-01), Pedersen
patent: 2334330 (1943-11-01), Janowsky
patent: 3848740 (1974-11-01), Weber
patent: 4077421 (1978-03-01), Schultes

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