Haruo Yamaguchi

Title: Haruo Yamaguchi: Inventor of a Reversible Drive Device

Introduction

Haruo Yamaguchi is an inventor associated with Hiroshima, Japan, and The Japan Steel Works, Ltd. His recorded patent concerns a drive device for a two-shaft extruding machine. Yamaguchi’s work addresses how operators can change the screw shafts’ relative rotation directions without manually changing gears.

Latest Patents

The available information identifies one patent for Yamaguchi: “Drive Device for Two-Shaft Extruding Machine.” The invention uses a set of shafts and meshing gears, together with a claw clutch that couples a selected gear to a shaft. An operating mechanism controls the clutch from outside the drive device, allowing the relative rotation directions of the two screw shafts to be changed rapidly without manual gear replacement. Yamaguchi is credited with 1 patent in the supplied data.

Career Highlights

Yamaguchi’s listed work is connected to The Japan Steel Works, Ltd., a company associated with industrial machinery and manufacturing. His patented drive mechanism focuses on making operation of a two-shaft extruding machine more adaptable by simplifying changes to the screw shafts’ relative rotation.

Collaborations

The supplied information names Hideki Mizuguchi and Seigo Hanada as Yamaguchi’s coworkers. It does not specify their roles in developing or patenting the drive device.

Conclusion

Haruo Yamaguchi’s recorded invention offers a gear-and-clutch mechanism for rapidly changing the relative rotation of an extruding machine’s two screw shafts, reflecting a practical focus on adaptable industrial equipment.