(19)

(11)

EP 0 237 532 A1

(12)

(43) Date of publication: 23.09.1987 Bulletin 1987/39 (21) Application number: 86904493.0 (22) Date of filing: 28.05.1986

(51) International Patent Classification (IPC):  A63C 17/ 01( . ) (86) International application number: PCT/US1986/001150 (87) International publication number: WO 1987/001297 (12.03.1987 Gazette 1987/06)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 06.09.1985 US 19850773072 (71) Applicant: SCHEURER, Robert, S. Wichita Falls, TX 76307 (US)	(72) Inventor: HANCOCK, Kendal Wichita Falls, TX 76307 (US)