(19)

(11)

EP 0 876 236 A1

(12)

(43) Date of publication: 11.11.1998 Bulletin 1998/46 (21) Application number: 97904736.0 (22) Date of filing: 06.01.1997

(51) International Patent Classification (IPC):  B23B 31/ 12( . ) (86) International application number: PCT/US1997/000227 (87) International publication number: WO 1997/027020 (31.07.1997 Gazette 1997/33)

(84) Designated Contracting States: CH DE FR GB LI NL (30) Priority: 22.01.1996 JP 19960028634 (71) Applicant: POWER TOOL HOLDERS INCORPORATED Wilmington, DE 19809 (US)	(72) Inventor: NAKAMURA, Daijiro Hyougo Prefecture 675-13 (JP) (74) Representative: Chettle, Adrian John, et al  Withers & Rogers 4, Dyer's Buildings Holborn London EC1N 2JT London EC1N 2JT (GB)