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    • 3. 发明授权
    • Two axis gimbal having a spherical bearing
    • 具有球面轴承的双轴万向架
    • US06376820B1
    • 2002-04-23
    • US09536327
    • 2000-03-24
    • Ordie Dean ButterfieldRobert W. Turner
    • Ordie Dean ButterfieldRobert W. Turner
    • G01C2102
    • H01Q3/08
    • A two axis gimbal is provided comprising a support structure, a spherical bearing mounted to the support structure and defining a channel therethrough, and a shaft extending through the channel. The gimbal may also include a reflector connected to the shaft. A drive mechanism, such as a spherical motor, is mounted to the support structure and is adapted to rotate the shaft in two orthogonal axes, i.e., pitch and roll. Power and signal cables are connected to the drive mechanism. The gimbal of the present invention may also include pairs of sensors and sensor triggers for monitoring the position of the shaft and the reflector relative to the pitch and roll axes. The design of the two axis gimbal of the present invention permits the cables to remain stationary during operation of the gimbal.
    • 提供了一种双轴万向架,其包括支撑结构,安装到支撑结构并限定穿过其中的通道的球形轴承,以及延伸穿过通道的轴。 万向节还可以包括连接到轴的反射器。 诸如球面马达的驱动机构安装到支撑结构上,并且适于使轴在两个正交的轴线上,即俯仰和滚动中旋转。 电源和信号电缆连接到驱动机构。 本发明的万向节还可以包括成对的传感器和传感器触发器,用于监测轴和反射器相对于俯仰和滚动轴线的位置。 本发明的双轴万向架的设计允许电缆在万向节的操作期间保持静止。