James R Evans

Title: James R. Evans and Cultivator Tool Adjustment

Introduction

James R. Evans is an inventor associated with Iowa Falls, Iowa. His patent work addresses the adjustment and operation of cultivator tools, with a design intended to make changes to tool position and downpressure more manageable.

Latest Patents

Evans is credited with 1 patent: “Operating Position Adjustment Levers for Cultivator Tools.” The invention describes an apparatus built around a tool bar, frame, and pivoting tool arm. A lever with a detent pin engages selected holes in a bracket to adjust the cultivator tool’s operating position, while a spring assembly helps keep the pin engaged. The design also allows a handle extension to provide additional leverage. In one configuration, a torsional spring varies the downpressure on an implement; in another, a linkage connects the lever to the tool arm to raise or lower the tool.

Career Highlights

Evans’s patent is associated with Sukup Manufacturing Company. Its focus on adjustable tool positioning and downpressure reflects a practical approach to agricultural equipment design.

Collaborations

James D. Tuttle is identified as Evans’s coworker. The available information does not specify further details about their collaboration.

Conclusion

James R. Evans’s patented cultivator adjustment apparatus combines a selectable lever mechanism with spring and linkage options to support changes in tool position and operating pressure.