(19)

(11)

EP 0 057 180 A1

(12)

(43) Date of publication: 11.08.1982 Bulletin 1982/32 (21) Application number: 81900765.0 (22) Date of filing: 08.08.1980

(51) International Patent Classification (IPC):  B27B 17/ 08( . ) F16D 7/ 02( . ) B27B 17/ 10( . ) F16D 67/ 00( . ) (86) International application number: PCT/US1980/001011 (87) International publication number: WO 1982/000436 (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) Inventors: DYNIE, Ernest R. Brockville Ontario (CA) OVERY, Colin Brockville Ontario K6V 4R6 (CA) LIPSCOMBE, Ronald J. Brockville Ontario (CA) (74) Representative: Thomson, Paul Anthony, et al  Potts, Kerr & Co. 15, Hamilton Square Birkenhead Merseyside L41 6BR Birkenhead Merseyside L41 6BR (GB)