Title: Full-automatic opening and closing umbrella
Application Number: 87103971 Application Date: 1987.05.31
Publication Number: 1022917 Publication Date: 1988.12.21
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: A45B25/14
Applicant(s) Name: Du Qiyi Address:
Inventor(s) Name:
Attorney & Agent:
Abstract:
     The present invention provides a full automatic opening and closing umbrella which is characterized by that the skeleton and support rod-jacket of umbrella are mounted respectively on the inner-rod and outer-tube of umbrella, an umbrella opening spring controls the position of support rod-jacket on outer-tube and an umbrella-closing spring controls the inner-rod and changes simultaneously the position of skeleton and support rod-jacket, so as to attain the purpose of automatic opening and closing umbrella. Since the opening and closing of the umbrella needs only one hand to operate the controller, it is very convenience for use.
Time: 10
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