APPARATUS FOR MOVING ON SNOW COVER Russian patent published in 2000 - IPC

FIELD: ski-type equipment for moving on snow cover. SUBSTANCE: apparatus has ski, detachable supporting member and retainer for connecting supporting member to ski. Ski has upper surface made stepped along the whole length. Supporting member has two fanlike halves. Retainer has flexible brackets and pressure plank with screws on ends. Each half of supporting member is composed of set of plates, tape and sleeve. Two poles are arranged in opposed relation laterally of supporting platform of base on steps symmetrically to longitudinal axis. Plates are made in the form of truncated cone with openings at lower and upper bases. Tape is passed through openings of upper base and tape end is secured on outer plate, which is rigidly connected to base step. Apparatus of such construction is effectively used on compacted and mellow snow cover and does not require complicated adjustment works. EFFECT: simplified construction and increased efficiency. 7 dwg