| 摘要 |
FIELD: medicine, sport. ^ SUBSTANCE: invention refers to transport vehicles, mainly to sports kit, namely to cross-country ski design. A transport vehicle with a stepped push booster comprises in each configuration a ski plastic coated on a sliding surface or rollers at the ends of an aluminium mix bar. Thereon a push booster (2), a shoe (4) hinging (3) are fixed. The booster has jog (5) and heel (6) platforms with a flange (7) in between for contacting with a flange of a front end face of a heel (8). A lower face of a brace (3) comprises mounting brackets (9) fastened. On brace jaws, there are lock bars (10) with folded centres of each of them, while above the lock bars, there are holes (11) for a pin clamp (12) with one end folded (13,14). The boots 4 are supplied with welted grooves 15 matched with the folded lock bars. A setback (7) is shaped as a front end face of the heel and contacts thereto. The configuration of skate run device has clamps 21 provided under the heel platform (6) on each side face of the booster and fixed by a stop block (22) in front of them and a button (23) behind them spring-assisted with an elastic plate (24). ^ EFFECT: more effective push transformation to speed of the vehicle equipped with the stepped push booster with maintaining natural kinematics of locomotor apparatus motions. ^ 14 cl, 23 dwg |
