(19)

(11)

EP 0 557 486 A1

(12)

(43) Date of publication: 01.09.1993 Bulletin 1993/35 (21) Application number: 92919018.0 (22) Date of filing: 10.09.1992

(51) International Patent Classification (IPC):  A47B 57/ 56( . ) (86) International application number: PCT/GB1992/001655 (87) International publication number: WO 1993/004612 (18.03.1993 Gazette 1993/08)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE (30) Priority: 12.09.1991 GB 19910019521 (71) Applicant: SWIFTS OF SCARBOROUGH LIMITED Eastfield Scarborough YO11 3BY (GB)	(72) Inventor: DAVIES, Gareth, John Raincliffe House Scarborough Y013 9HJ (GB) (74) Representative: Denmark, James  Bailey, Walsh & Co. 5 York Place Leeds LS1 2SD Yorkshire Leeds LS1 2SD Yorkshire (GB)