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    • 7. 发明授权
    • Wide range transmission
    • 宽范围传输
    • US4713983A
    • 1987-12-22
    • US3452
    • 1987-01-14
    • Kenneth P. Rundle
    • Kenneth P. Rundle
    • F16H3/083F16H37/02F16H37/08F16H3/08
    • F16H37/027F16H3/083Y10T74/19428Y10T74/1946Y10T74/19465Y10T74/19479
    • A transmission, especially for use with small tractors and the like, provides a number of higher speed drives, typically associated with mowing, and a number of extremely slow "creep" speed drives to make said tractor more compatible with snow blower and tiller implements. All speed drives are available in a single range with each being selected sequentially by movement of a single gearshift lever. A unique reduction train exploits one or more higher speed drives to drive the "creep" speed pinions and a safer reverse speed drive at reduced rotational speed. The extremely wide speed ratio range will also dismiss the smallest pinions and severe speed increasing drives presently employed in these transmissions to greatly increase capacity and to reduce costs.
    • 特别是与小型拖拉机等一起使用的变速器提供了一些通常与割草相关的更高速度的驱动装置,以及许多极慢的“爬行”速度驱动装置,以使所述拖拉机与除雪机和耕作机具更加兼容。 所有的速度驱动器都可以在一个单一的范围内,每一个都通过单个变速杆的移动顺序选择。 独特的减速列车利用一个或多个更高速度的驱动器来驱动“爬行”速度小齿轮,并以较低的转速驱动更安全的倒车速度。 非常宽的速比范围也将消除目前在这些变速箱中使用的最小的小齿轮和严重的增速驱动装置,以大大提高容量并降低成本。
    • 8. 发明授权
    • Transmission and PTO system for tractors and utility cycles
    • 拖拉机和公用事业循环的传输和PTO系统
    • US4658662A
    • 1987-04-21
    • US867939
    • 1986-05-29
    • Kenneth P. Rundle
    • Kenneth P. Rundle
    • F16H3/089F16H3/091F16H3/08
    • F16H3/091F16H3/089F16H2200/0026Y10T74/19233Y10T74/19242Y10T74/19316Y10T74/19391Y10T74/194
    • A speed change transmission is shown in variation having an extremely wide range of selectively engageable speed drive ratios for use with garden tractors and utility cycles with tractor mode. The transmission also serves as a speed range transmission for use with a hydrostatic transmission in a garden tractor. In variation the transmission is shown with a new two speed PTO systme featuring selectively engageable rear, middle and front outputs. The transmissions and PTO system are extremely compact by virtue of an unique creep speed reduction train, a simplified constant mesh shift means, a PTO shaft journalled coaxially within a hollow transmission mainshaft and a minimum number of components arranged and adapted so that many serve multiple functions.
    • 变速传动装置显示出具有极大范围的选择性啮合速度传动比的变速传动装置,用于具有拖拉机模式的园艺拖拉机和公用循环。 该变速器还用作在花园拖拉机中与静液压传动一起使用的速度范围传动装置。 在变化中,传输通过新的双速PTO系统显示,其具有可选择性地接合的后,中和前输出。 传动装置和PTO系统通过独特的蠕变速度降低列车,简化的恒定啮合移动装置,同轴地轴承在空心传动主轴内的PTO轴以及最少数量的部件排列和调整,使许多人能够承担多种功能而非常紧凑 。