Umbrella having wind pressure releasing device

Details Umbrella having wind pressure releasing device Umbrella having wind pressure releasing device

2005-09-13

2005-09-13

Canfield, Robert (Department: 3635)

Tent, canopy, umbrella, or cane

Umbrella

Cover or lining feature

C135S029000, C135S032000

Reexamination Certificate

active

06941959

ABSTRACT:
An umbrella includes a shaft with a runner movably mounted thereto and a first cap and a second cap are respectively connected to a top end of the shaft. The first cap is located closer than the second cap to the second end of the shaft. A plurality of first ribs pivotably connected to the second end cap and a main panel is mounted to the first ribs. The main panel has a hole with a center at the shaft. Each first rib has a join connected thereto and each joint having a first passage through which the first rib extends and a second passage through which one of second ribs extends. Each second rib has a first end thereof pivotably connected to the first cap and a section of the second end of each of the second ribs is overlapped on the main panel. A sub-panel is attached to the second ribs and covers the hole in the main panel. A plurality of stretchers are pivotably connected between the runner and the joints.

REFERENCES:
patent: 6173724 (2001-01-01), You
patent: 6502592 (2003-01-01), Chen
patent: 6601597 (2003-08-01), Sung

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