Automatic umbrella

Details Automatic umbrella Automatic umbrella

2005-07-19

2005-07-19

Yip, Winnie (Department: 3637)

Tent, canopy, umbrella, or cane

Umbrella

Rib and stretcher joints

C135S028000, C135S027000, C135S031000

Reexamination Certificate

active

06918399

ABSTRACT:
The present invention relates to an automatic umbrella, which mainly uses an elastic frame to receive the second rib of the umbrella. The elastic frame can be connected with the runner easily. In opening procedure, the elastic branch rib of the elastic frame can be bended and inclined to push the second rib upward. At the time, the umbrella is opened automatically. The assembled elastic frame and the rib can be easily and firmly that provides improvement for use of the automatic umbrella.

REFERENCES:
patent: 2321495 (1943-06-01), Levin
patent: 5263505 (1993-11-01), Yeom
patent: 5355903 (1994-10-01), Haddad et al.
patent: 5884645 (1999-03-01), Chen et al.
patent: 6397866 (2002-06-01), You
patent: 6595225 (2003-07-01), Chuang et al.
patent: 6722382 (2004-04-01), Wang
patent: 6789556 (2004-09-01), You
patent: 11-276225 (1999-10-01), None

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