公开(公告)号：US5136197A

公开(公告)日：1992-08-04

申请号：US720884

申请日：1991-06-25

申请人： Clarence Hallett

发明人： Clarence Hallett

IPC分类号： B23B45/02 ,  B25F5/00 ,  H02K23/60

CPC分类号： H02K23/60 ,  B23B45/02 ,  B25F5/001

摘要： A reaction containment drive apparatus for a power tool includes a motor having an outside case free to rotate within the tool casing, and an internal drive shaft. A planetary gear set is an integral portion of the drive. It has three parts, namely, a central sun gear part, a middle planet gear part (the planet gear part having a planet carrier and preferably three planet gears on the planet carrier), and an outside ring gear part coaxial with the sun gear part and the planet carrier. The planet gear part is rotatable between the sun gear part and the ring gear part. One part of the planetary gear set is fixedly connected to the drive shaft and rotatable as a unit therewith; one part of the planetary gear set (for example, the ring gear) is fixedly connected to the outside case of the motor and rotatable as a unit therewith; and the remaining part of the planetary gear set is fixedly connected to the output shaft of the tool and forces the output shaft to rotate as a unit therewith when power is supplied to the motor. The reaction containment drive contains reaction forces within itself and prevents such forces from being transmitted from the output shaft to the tool.

摘要翻译： 用于动力工具的反应容纳驱动装置包括具有在工具壳体内自由旋转的外壳的电动机和内部驱动轴。 行星齿轮组是驱动器的组成部分。 它具有三个部分，即中心太阳齿轮部分，中间行星齿轮部分（行星齿轮部分具有行星架，并且优选地在行星架上具有三个行星齿轮），以及与太阳齿轮部分同轴的外齿圈部分 和行星架。 行星齿轮部分可在太阳齿轮部分和齿圈部分之间旋转。 行星齿轮组的一部分固定地连接到驱动轴并作为其一部分旋转; 行星齿轮组（例如，齿圈）的一部分固定地连接到电动机的外壳并作为其单元可旋转; 并且行星齿轮组的剩余部分固定地连接到工具的输出轴，并且当向马达供电时迫使输出轴作为单元旋转。 反应容纳驱动器在其内部包含反作用力并且防止这些力从输出轴传递到工具。