| 摘要 |
FIELD: sportive equipment. SUBSTANCE: running track has horizontal belt made in the form of wedge-shaped straps and flat straps and is positioned on antifriction members. Electric engine is fixed with its shaft on base. Electric engine casing is provided with grooves and rings. Wedge-shaped and flat straps run around engine grooves and rings. Grooves of first and second driven shafts are connected by wedge-shaped straps. Flat straps run about wedge-shaped straps on second driven shaft. Tightening device is positioned at sides between first and second driven shafts and is retained in contact with wedge-shaped straps. Pulleys are positioned on ends of base sides and flat straps run about them. EFFECT: simplified construction and increased efficiency. 2 dwg |
