Eiji Takeyama is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of gear transmission technology, holding a total of seven patents. His innovative designs focus on enhancing the efficiency and functionality of automatic speed-change apparatuses.

Latest Patents

One of Takeyama's latest patents is an automatic speed-change apparatus for a gear transmission. This invention incorporates a select mechanism for executing select operations and a change speed mechanism for executing change speed operations. The change speed mechanism features a change speed motor capable of controlling both forward and backward rotation. It includes a single or multiple intermediate shaft gear mechanisms that reduce and transmit the speed of the rotation from the speed change motor. Each mechanism consists of a large diameter gear, a small diameter gear, and an intermediate shaft, which is parallel to a select and change speed pull-rod. Additionally, a change speed sensor is provided on the outer end of the pull-rod to detect the operating angle in the rotation direction.

Another notable patent by Takeyama is also an automatic speed-change apparatus for a gear transmission. The objective of this invention is to provide a compact speed-change apparatus that performs automatic gear shifting in conventional gear transmissions. This apparatus includes a select mechanism with a select motor that can rotate forward and backward, gears for transmitting the motor's rotation, and a select-shift sleeve connected to the gear transmission. The shift mechanism comprises a shift motor, a gear rotated by the shift motor, and a swing gear that meshes with the gear and swings on an intermediate shaft as a fulcrum.

Career Highlights

Eiji Takeyama is currently employed at Aichi Kikai Kogyo Kabushiki Kaisha, where he continues to develop innovative technologies in gear transmission. His work has significantly impacted the automotive and machinery industries, enhancing the performance and reliability of gear systems.

Collaborations

Takeyama collaborates with fellow inventor Toshio Imao, working together to advance their research and development efforts in gear transmission technology.

Conclusion

Eiji Takeyama is a distinguished inventor whose contributions to gear transmission technology have led to several innovative patents. His work continues to influence the industry, showcasing the importance of innovation in engineering.

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