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Raven Industries, Inc.

Raven Industries, Inc. Patent applications
Patent application numberTitlePublished
20110198184SYSTEMS AND METHODS FOR DISENGAGING AND ENGAGING A WRAP SPRING CLUTCH - The invention provides a system, device and method for using a rotary actuator, e.g., a stepper motor to actuate a wrap spring clutch. Feedback from a system of sensors and GPS data, including rotational speed, travel speed and direction are provided to improve the reaction accuracy of the clutch. In one embodiment, a plurality of actuator controllers are connected in a configuration wherein one controller is a “master” and the remaining controllers are “slaves” to provide a higher level of machine control.08-18-2011