(19)
(11) EP 1 284 832 A1

(12)

(43) Date of publication:
26.02.2003 Bulletin 2003/09

(21) Application number: 01944187.2

(22) Date of filing: 31.05.2001
(51) International Patent Classification (IPC)7B21K 1/42, B21K 1/76
(86) International application number:
PCT/US0117/462
(87) International publication number:
WO 0109/1938 (06.12.2001 Gazette 2001/49)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 31.05.2000 US 208244 P

(71) Applicant: NTN CORPORATION
Osaka-shiOsaka 550-0003 (JP)

(72) Inventors:
  • MILLER, John
    Jackson, MI 49201 (US)
  • KING, Randall
    Jackson, MI 49201 (US)
  • BABCOCK, Bryce
    Saline, MI 48176 (US)
  • FRAYER, Robert
    Gregory, MI 48137 (US)
  • MONAHAN, Russell
    Ann Arbor, MI 48108 (US)
  • LISTON, Mary-Jo
    Whitmore Lake, MI 48189 (US)

(74) Representative: Grünecker, Kinkeldey, Stockmair & SchwanhäusserAnwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)

   


(54) METHOD OF MANUFACTURING AN OVER-RUNNING CLUTCH PULLEY WITH DEFORMABLE SURFACE