Robert E Yapp

Title: Innovations of Robert E Yapp

Introduction

Robert E Yapp is a notable inventor based in Chillington, GB. He has made significant contributions to the field of agricultural machinery, particularly in hydraulic control systems for tractors. With a total of three patents to his name, Yapp's work has had a lasting impact on the industry.

Latest Patents

One of Yapp's latest patents is for a tractor hydraulic control system. This system comprises a power lift with a hydraulic actuator and a main control valve that regulates the fluid supply from a pump to the actuator. The system includes selector valve means that allow for hydraulic locking of the actuator in a specific position while providing communication with an external services outlet. Another innovative patent is a control lever arrangement designed for longitudinally moving an actuating member, such as a Bowden cable, between two positions. This arrangement features mutually inclined cam slots and a control lever that pivots to facilitate the movement of the actuating member.

Career Highlights

Yapp has been associated with Massey-Ferguson Services N.V., where he has applied his expertise in developing advanced agricultural machinery. His work has contributed to enhancing the efficiency and functionality of tractor systems.

Collaborations

Some of Yapp's coworkers include Derek J Smith and John D Smith, who have collaborated with him on various projects within the company.

Conclusion

Robert E Yapp's innovations in hydraulic control systems and control lever arrangements have significantly advanced agricultural technology. His contributions continue to influence the industry and improve the functionality of modern tractors.