Company Filing History:
Years Active: 1979-1981
Title: Kotoshige Ishizuki: Innovator in Trailer Coupling Technology
Introduction
Kotoshige Ishizuki is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of trailer coupling technology, holding a total of 3 patents. His innovative designs have improved the functionality and efficiency of towing systems.
Latest Patents
One of Ishizuki's latest patents is an "Apparatus for coupling a tractor, a dump trailer and a dump truck." This invention allows the dump trailer to be selectively towed by either the tractor or the dump truck. The design features a draw bar with a trunnion and a hole at the leading end, which is pivotally mounted on the dump trailer. The trunnion engages with a gripper on the tractor, enabling towing, while the hole connects with a coupler on the dump truck for an alternative towing method.
Another significant patent is the "Suspension for a front axle of a trailer." This invention includes a trailer frame, an outer cylindrical member, and a bracket mounted on the front axle. The design incorporates a shaft arranged at right angles to the front axle, with a sleeve that rotates on the shaft. A spring mechanism is also included to enhance the suspension system.
Career Highlights
Kotoshige Ishizuki is associated with Kabushiki Kaisha Komatsu Seisakusho, a company known for its engineering and manufacturing excellence. His work has contributed to advancements in trailer technology, showcasing his expertise and innovative spirit.
Collaborations
Ishizuki has collaborated with notable coworkers such as Haruhiko Umeda and Masaru Uenoyama. Their combined efforts have led to the development of cutting-edge solutions in the field of trailer coupling.
Conclusion
Kotoshige Ishizuki's contributions to trailer coupling technology demonstrate his innovative capabilities and commitment to improving engineering solutions. His patents reflect a deep understanding of mechanical design and functionality, making him a valuable figure in the industry.