SKI Russian patent published in 1999 - IPC

FIELD: sports equipment. SUBSTANCE: ski has base, boot fasteners and boot support formed as platform with tip and heel portions. Platform is raised relative to base, and heel part of platform is inclined to base. Ski has pivot joint with hinge positioned within opening. Pivot joint is adapted for attachment of ski fastening mounting plate, which may be pivoted about hinge. Length of tip part is 0.36 of boot length, length of heel part is 0.22 of boot length. Height of raised part of platform is 10-100 mm, angle between heel part and base is 9-30 deg. Top of tip part is formed as angle ranging between 90 and 189 deg, with angle sides having length making 0.18 of boot length. Pivot joint hinge receiving opening is disposed in apex part of tip angle. EFFECT: convenient usage and increased motion speed. 2 dwg