Kouichi Onimaru

Title: Kouichi Onimaru: Innovator in Chain Tensioner Technology

Introduction

Kouichi Onimaru is a notable inventor based in Iwata, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the development of chain tensioners. With a total of 7 patents to his name, Onimaru's work has had a considerable impact on the industry.

Latest Patents

Onimaru's latest patents include innovative designs for chain tensioners. One of his patents describes a chain tensioner that features a sleeve fixedly disposed in a cylinder. This design includes a plunger with a first end of the sleeve inserted and a second end protruding out. A cylindrical space is defined between the sleeve's outer periphery and the cylinder's inner periphery, with an oil supply passage opening to this space. Another patent details a chain tensioner formed with internal threads that have a unique configuration. The push-in-side flank has a larger flank angle than the protruding-side flank, and both are rolled surfaces with a surface roughness smaller than Ra 1.0 μm. This design also includes a chamfer to accommodate bulges resulting from excess materials during the rolling process.

Career Highlights

Kouichi Onimaru is associated with NTN Corporation, where he has been instrumental in advancing chain tensioner technology. His innovative designs have not only improved the functionality of these components but have also contributed to the overall efficiency of mechanical systems.

Collaborations

Onimaru has worked alongside talented colleagues such as Seiji Sato and Satoshi Kitano. Their collaborative efforts have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Kouichi Onimaru's contributions to the field of chain tensioners exemplify his dedication to innovation and engineering excellence. His patents reflect a deep understanding of mechanical design and a commitment to improving industry standards.