(19)
(11) EP 0 518 814 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
10.03.1993 Bulletin 1993/10

(43) Date of publication A2:
16.12.1992 Bulletin 1992/51

(21) Application number: 92810377.9

(22) Date of filing: 20.05.1992
(51) International Patent Classification (IPC)5: A45B 25/16
(84) Designated Contracting States:
AT BE CH DE ES FR GB IT LI LU NL SE

(30) Priority: 12.06.1991 JP 167784/91

(71) Applicant: Day, Shenq-Tong
Ching Shui Taichung Hsien (TW)

(72) Inventors:
  • Chou, Lung-Chiao
    Nei Hu District, Taipei (TW)
  • Cheng, Cheng-Pu
    Taipei (TW)

(74) Representative: Kiliaridis, Constantin et al
Bugnion S.A., 10, Route de Florissant, Case Postale 375
CH-1211 Genève 12
CH-1211 Genève 12 (CH)


(56) References cited: : 
   
       


    (54) Automatically opening and closing umbrella


    (57) An umbrella having a tubular shaft 1, a set of rib assembly 2 expandable and collapsible by a runner mechanism, a handle 3 arranged to be slidable in relation to the shaft 1, an umbrella-opening energy accumulating mechanism 4 including an upper energy accumulating device 41 and a lower energy accumulating device 42, a linkage mechanism 6 capable of linking and controlling the umbrella-opening energy accumulating mechanism 4, an actuating mechanism 6 worked by an operating mechanism 7 and an umbrella-closing coil spring 8 disposed between the inside lower end of said shaft 1 and the front end of said intermediate shaft 32. The invention has for its purpose to provide a self opening and closing umbrella capable of being opened or closed without having to consume any extra energy and with a little strength, while at the same time the umbrella will in no way collapse accidentally.






    Search report