(19)

(11)

EP 0 415 964 A1

(12)

(43) Date of publication: 13.03.1991 Bulletin 1991/11 (21) Application number: 89905508.0 (22) Date of filing: 04.05.1989

(51) International Patent Classification (IPC):  B23B 31/ 173( . ) B23B 31/ 12( . ) (86) International application number: PCT/US1989/001945 (87) International publication number: WO 1989/011368 (30.11.1989 Gazette 1989/28)

(84) Designated Contracting States: CH DE FR GB IT LI (30) Priority: 27.05.1988 US 19880199841 27.05.1988 US 19880199842 (71) Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION Brookfield Wisconsin 53005 (US)	(72) Inventor: PALM, Bernhard Brookfield, WI 53005 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät  Maximilianstrasse 58 D-80538 München D-80538 München (DE)