Importance

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Abstract

A fluid-powered rotatable work platform assembly for use with a vehicle such as a vehicle having an arm for positioning the assembly. The assembly includes a work platform or support configured to support a load, a body having a cavity extending along a longitudinal axis, and an output shaft rotatably disposed within the body generally coaxial with the longitudinal axis. A linear-to-rotary force transmitting member is positioned within the cavity of the body and engaged with the body and the output shaft to translate linear motion of the force transmitting member to rotational motion of one of the output shaft and the body relative to the other. The work platform is coupled to one of the body and the output shaft with at least one link and the arm of the vehicle is coupled to the other of the body and the output shaft so that when the output shaft and the body rotate relative to one another, the work platform rotates relative to the arm of the vehicle, while the pivoting link allows the work platform to move downward under the load. A sensor is operatively coupled to the work platform to sense the downward movement and/or an increasing load on the work platform.

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First Claim