(19)
(11) EP 0 457 956 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.09.1992 Bulletin 1992/38

(43) Date of publication A2:
27.11.1991 Bulletin 1991/48

(21) Application number: 90117758.4

(22) Date of filing: 14.09.1990
(51) International Patent Classification (IPC)5: B25B 13/10, B25B 13/46
(84) Designated Contracting States:
AT BE CH DE ES FR GB IT LI NL SE

(30) Priority: 23.05.1990 KR 906989
21.07.1990 KR 9010723

(71) Applicant: Kim, Kwang-Moo
Kyunggi-Do (KR)

(72) Inventor:
  • Kim, Kwang-Moo
    Kyunggi-Do (KR)

(74) Representative: Sajda, Wolf E., Dipl.-Phys. et al
MEISSNER, BOLTE & PARTNER Widenmayerstrasse 48
D-80538 München
D-80538 München (DE)


(56) References cited: : 
   
       


    (54) Socket wrench


    (57) A socket wrench capable of handling a great diversity of bolts and nuts is disclosed. The socket wrench includes an upper socket member (5') and a lower socket member (6') in a detachable form. The upper socket member (5') includes an outer socket (2') and a plurality of socket units (3, 4) while the lower socket member (6') also includes an outer socket (100) and a plurality of socket units (105). The socket units are installed in an axially slidable manner by providing an axially adjusting member (7), and therefore, a proper one can be selected from the plurality of socket units in order to loosen or tighten the bolt or nut. Further, an ordinary ratchet mechanism (8) is installed in order to set the rotational direction of the upper and lower socket members (5', 6').






    Search report