Backlash reduction and output accuracy improvement
Conventionally, drive mechanism such as conical gear has been developed for robot arm joint to enable driving in multiple directions with a single joint. The joint of the robot arm can be made smaller and more sophisticated by using such driving device. However, since the gear is used to convert the rotation direction, backlash is generated and causes output error. Moreover, the smaller the size, the more difficult it becomes to transmit a large amount of torque. This invention is able to reduce backlash and increase output precision, and to provide a 2 directional driving device that can transmit a relatively large amount of torque even when downsized. This invention is composed of a support, a rotating support, and a plurality of protruding parts, wherein the extremity of each protruding part is configured to rotate the inner rotating body by the sliding movement. This structure reduces backlash, improves output precision, and provides a 2 directional driving device that can transmit a relatively large amount of torque even when downsized.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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