(19)

(11)

EP 0 069 123 A1

(12)

(43) Date of publication: 12.01.1983 Bulletin 1983/02 (21) Application number: 81902637.0 (22) Date of filing: 21.09.1981

(51) International Patent Classification (IPC):  B25B 15/ 04( . ) (86) International application number: PCT/GB1981/000195 (87) International publication number: WO 1982/000967 (01.04.1982 Gazette 1982/09)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (30) Priority: 24.09.1980 GB 19800030725 (71) Applicant: MUMFORD, Michael Anthony Peterborough (GB)	(72) Inventor: MUMFORD, Michael Anthony Peterborough (GB)