Sadao Makishima

Title: Sadao Makishima: Innovator in Vehicle Transmission Systems

Introduction

Sadao Makishima is a prominent inventor based in Akikawa, Japan. He has made significant contributions to the field of vehicle transmission systems, holding a total of six patents. His innovative designs focus on enhancing the efficiency and functionality of vehicle transmissions.

Latest Patents

One of Makishima's latest patents is the "Infinitely Variable Belt-Drive Transmission." This invention features a clutch for transmitting engine power to the vehicle's wheels, along with a drive pulley and a driven pulley, both equipped with hydraulically shiftable discs. The design includes a belt that engages both pulleys, an input shaft connected to the clutch, and a main shaft linked to the drive pulley. Additionally, a synchronizer and counter gear are integrated to facilitate reverse drive transmission.

Another notable patent is the "Parking System for a Vehicle." This system utilizes a fluid-operated or electromagnetic clutch and includes a shifter arm that is rotatably and axially slidably mounted on a shaft. A link mechanism transmits the operation of the gear shift lever to the shifter arm, allowing for effective parking operations. The system ensures that the vehicle's transmission is securely locked when the gear shift lever is in the parking position.

Career Highlights

Sadao Makishima is associated with Fuji Jukogyo Kabushiki Kaisha, where he has been instrumental in developing advanced transmission technologies. His work has significantly impacted the automotive industry, particularly in enhancing vehicle performance and safety.

Collaborations

Makishima has collaborated with notable colleagues, including Masayuki Kodama and Toshio Takano. Their combined expertise has contributed to the successful development of innovative transmission systems.

Conclusion

Sadao Makishima's contributions to vehicle transmission technology exemplify his dedication to innovation. His patents reflect a commitment to improving vehicle performance and safety, making him a key figure in the automotive engineering field.