| 摘要 |
PURPOSE:To permit stepless speed-change with a simple constitution by installing a reduction mechanism and a speed-change adjuster consisting of a differential mechanism between an input shaft and an output shaft and transmitting the high speed or the low speed revolution on the input shaft side, after adjustment by the inertial force of a rotary body. CONSTITUTION:When the pivotal supporting shaft fixing rod 2 of a reduction mechanism (a) is revolved at low speed by a motor through an input shaft 1, pinion gears 5 and 5 starts revolution, rotating in the engaged state with an internal gear 7 around a reduction gear 6 through the pivotal supporting shaft 4 at the both edges of the rod 2. Then, the reduction gear 6 revolves rightward, and a rotary body 15 is revolved leftward. When the rotary body 15 revolves, pinion gears 11 and 11' are revolved integrally with the rotary body 15 through pinion gears 14 and 14' in a speed-change adjuster (b), and a differential movement is generated, and the number of revolution of an output-shaft side bevel gear 12 is reduced. While, the number of revolution of the rotary body 15 is reduced or becomes zero when the input shaft 1 revolves at high speed, and the differential movement of the speed-change adjuster (b) is reduced. |
