(19)

(11)

EP 0 055 710 A1

(12)

(43) Date of publication: 14.07.1982 Bulletin 1982/28 (21) Application number: 81900864.0 (22) Date of filing: 11.07.1980

(51) International Patent Classification (IPC):  B61B 11/ 00( . ) (86) International application number: PCT/US1980/000865 (87) International publication number: WO 1982/000273 (04.02.1982 Gazette 1982/04)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (71) Applicant: SCHNEIDER, Donald C. Mammoth Lakes, CA 93546 (US)	(72) Inventor: SCHNEIDER, Donald C. Mammoth Lakes, CA 93546 (US)