William L Smith, Jr. is a notable inventor based in Des Moines, IA (US). He has made significant contributions to the field of hydraulic systems, particularly in agricultural machinery. With a total of 2 patents, his work has enhanced the functionality and efficiency of towed implements.

Latest Patents

One of his latest patents is a hydraulic system for a towed implement. This invention features a hydraulic rockshaft control circuit that includes a three-way valve, which operates the rockshaft connected to the lift cylinder on a trailing implement. A hitch lock valve maintains the rockshaft in a preselected position, regardless of pressure changes at the valve output. Additionally, a reducing/relieving valve is connected to the retract side of the cylinder to ensure the implement wheels are raised from ground contact when necessary. Another significant patent is the position feedback mechanism for an implement. This mechanism utilizes a rotary potentiometer mounted on the implement frame to provide an accurate position signal. The design allows for amplified rotation of the potentiometer shaft relative to the rockshaft, significantly increasing the accuracy and repeatability of the feedback signal.

Career Highlights

William L Smith, Jr. is associated with Deere & Company, a leading manufacturer in agricultural machinery. His innovative designs have contributed to the advancement of hydraulic systems in farming equipment, making them more efficient and user-friendly.

Collaborations

Throughout his career, Smith has collaborated with notable coworkers such as Robert E Fox and Donald R Flugrad. Their combined expertise has fostered a creative environment that has led to the development of groundbreaking technologies in the agricultural sector.

Conclusion

William L Smith, Jr. is a distinguished inventor whose work in hydraulic systems has made a lasting impact on agricultural machinery. His patents reflect a commitment to innovation and efficiency, showcasing the importance of advancements in this field.