Donald M Mains

Title: Innovator Spotlight: Donald M. Mains

Introduction: Donald M. Mains is an accomplished inventor based in Greendale, Wisconsin, with a portfolio that includes three patents. His innovative contributions primarily focus on enhancing the efficiency and effectiveness of heavy machinery used in mining and drilling operations.

Latest Patents: Among his notable inventions is the "Automatic Leveling System for Blast Hole Drills and the Like." This dual automatic leveling system enables precise leveling of blast hole drills during raising and lowering operations. Utilizing both 'fine' and 'coarse' level sensors, the system ensures that any tilt beyond 2 degrees halts movement until re-leveling is achieved within a strict tolerance of ±0.5 degrees.

Another significant patent is the "Peak Power Limiter System for Excavators," which addresses power inconsistencies during the digging cycle of mining shovels. This innovation incorporates a motor drive comprised of three a.c. motors driven by inverter circuits, with a fourth motor linked to a flywheel. The flywheel effectively stores energy during low power demands and redistributes it as needed, thus optimizing operational efficiency.

Career Highlights: Throughout his career, Donald M. Mains has made substantial contributions while working with notable companies in the industry, including Bucyrus Erie Company and Becor Western Inc. His dedication to advancing engineering methodologies has fortified the capabilities of modern excavation and drilling practices.

Collaborations: Mains has collaborated with esteemed professionals such as Richard G. Currier and Richard A. Jasinski, further enhancing his innovative endeavors. These collaborations have fostered a creative environment, leading to the development of impactful technologies in heavy machinery.

Conclusion: Donald M. Mains stands out as a visionary inventor whose work continues to influence the mining and drilling sectors. His patents reflect a commitment to improving operational standards and efficiency, solidifying his legacy as a significant contributor to modern engineering.