(19)

(11)

EP 0 077 388 A1

(12)

(43) Date of publication: 27.04.1983 Bulletin 1983/17 (21) Application number: 82901747.0 (22) Date of filing: 22.04.1982

(51) International Patent Classification (IPC):  B61D 7/ 32( . ) B65G 67/ 24( . ) B65G 27/ 20( . ) (86) International application number: PCT/US1982/000505 (87) International publication number: WO 1982/003616 (28.10.1982 Gazette 1982/26)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 22.04.1981 US 19810256311 (71) Applicant: STANFIELD, Charles E. Maple Valley, WA 98038 (US)	(72) Inventor: STANFIELD, Charles E. Maple Valley, WA 98038 (US)