(19)
(11) EP 1 787 035 A1

(12)

(43) Date of publication:
23.05.2007 Bulletin 2007/21

(21) Application number: 04767143.3

(22) Date of filing: 30.08.2004
(51) International Patent Classification (IPC): 
F16B 31/02(2006.01)
 F16B 41/00(2006.01)
(86) International application number:
PCT/FI2004/050123
(87) International publication number:
WO 2005/021983 (10.03.2005 Gazette 2005/10)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

(30) Priority: 03.09.2003 FI 20035142

(71) Applicants:
  • Pääkkö, Eero
    74700 Kiuruvesi (FI)
  • Pääkkö, Ari
    74700 Kiuruvesi (FI)

(72) Inventor:
  • PÄÄKKÖ, Ari
    FIN-74700 Kiuruvesi (FI)

(74) Representative: Helke, Kimmo Kalervo 
Kespat Oy, P.O. Box 601
40101 Jyväskylä
40101 Jyväskylä (FI)

   


(54) LOOSENING INDICATOR FOR A BOLT OR NUT AND A CORRESPONDING SYSTEM