(19)

(11)

EP 0 057 678 A1

(12)

(43) Date of publication: 18.08.1982 Bulletin 1982/33 (21) Application number: 81900856.0 (22) Date of filing: 08.08.1980

(51) International Patent Classification (IPC):  B27B 17/ 08( . ) (86) International application number: PCT/US1980/001013 (87) International publication number: WO 1982/000438 (18.02.1982 Gazette 1982/06)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (71) Applicant: Black & Decker Inc. Newark Delaware 19711 (US)	(72) Inventor: BARICEVIC, John Redondo Beach, CA 80278 (US) (74) Representative: Thomson, Paul Anthony, et al  Potts, Kerr & Co. 15, Hamilton Square Birkenhead Merseyside L41 6BR Birkenhead Merseyside L41 6BR (GB)