(19)

(11)

EP 0 031 845 A1

(12)

(43) Date of publication: 15.07.1981 Bulletin 1981/28 (21) Application number: 80901491.0 (22) Date of filing: 26.06.1980

(51) International Patent Classification (IPC):  A47B 27/ 02( . ) (86) International application number: PCT/US1980/000847 (87) International publication number: WO 1981/000195 (05.02.1981 Gazette 1981/04)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (30) Priority: 11.07.1979 US 19790045058 (71) Applicant: WEIR, Stanley M. Santa Clara, CA 95052 (US)	(72) Inventor: WEIR, Stanley M. Santa Clara, CA 95052 (US)