| 摘要 |
PURPOSE:To obtain a double V-pulley having good water draining property and convenient for superposition by giving an inclination angle to the circumferential part that connects a large-diameter V-groove and a small diameter V-groove in a double V-pulley. CONSTITUTION:In a double pulley, a small-diameter V-groove 8 is formed by rims 6, 7, and a large-diameter V-groove 16 is formed by rims 17, 18. A inclination of alpha degrees is given to the circumferential part 9 that connects the small- diameter V-groove 8 side and large-diameter V-groove 16 side slightly opening from the horizontal direction to large-diameter V-groove 16 side. By this way, the drainage of water of the product is improved, and pulleys can be superposed as shown by alternate long and short dash lines. Further, the dimensional accuracy of the product is also improved. |
