Title: Long effect automatic umbrella
Application Number: 92105015 Application Date: 1992.06.25
Publication Number: 1080501 Publication Date: 1994.01.12
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: A45B25/14,A45B25/16
Applicant(s) Name: Dai Shengtong 9CN) Address:
Inventor(s) Name: Cheng Chengpu
Attorney & Agent: ZHANG SHEGAO
Abstract:
     The invented umbrella mainly consists of a tubular shank in which the upper pulley is set up; a tube on the top end of shank is used to hold the spring for opening umbrella; a handle below the lower end of shank, in which there are upper and lower clamps and a middle pulley; a movement mechanism induding a pair of coil spring stretched together to pass through upper and lower clamps, at most to reach the upper pulley for accumulating energy; and a mover which is capable of separately moving and releasing the upper and lower clamp to control the operation of opening and closing of umbrella.
Time: 15
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