Shigeru Harada

Title: Shigeru Harada: Innovator in Excavation Technology

Introduction

Shigeru Harada is a notable inventor based in Isehara, Japan. He has made significant contributions to the field of excavation technology, holding a total of 2 patents. His innovative designs focus on improving the efficiency and effectiveness of machinery used in construction and excavation.

Latest Patents

One of Harada's latest patents is a pebble-stone crushing device designed for use in excavators for laying pipelines. This device features a plurality of rotor teeth that are integrally formed with the rear face of a cutter head, which is mounted at the front of the excavator body. The rotor teeth work in conjunction with stator teeth that are radially formed on an annular front face plate of the excavator body. The design includes groups of long main tooth members and shorter auxiliary tooth members, enhancing the device's functionality in excavating working faces underground.

Another significant patent is a power-driven, wedge-operated rock splitter. This device is engineered for splitting rock and concrete structures by being inserted into a drill hole. The rock splitter includes a wedge that is coupled to the output shaft of a hydraulic cylinder. It features guides that allow for longitudinal sliding motion, enabling multiple splitting operations to be performed in succession. This innovative design facilitates the fracturing of thick rock formations efficiently.

Career Highlights

Shigeru Harada is currently employed at Komatsu Ltd., a leading company in the construction and mining equipment industry. His work at Komatsu has allowed him to apply his inventive skills to real-world applications, contributing to advancements in excavation technology.

Collaborations

Throughout his career, Harada has collaborated with talented individuals such as Hiroshi Saito and Yoshitaka Ojiro. These collaborations have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Shigeru Harada's contributions to excavation technology through his patents demonstrate his commitment to innovation in the field. His work continues to influence the construction industry, making processes more efficient and effective.