Company Filing History:
Years Active: 1976
Title: The Innovative Contributions of Charles E. Grawley
Introduction
Charles E. Grawley is a notable inventor based in Peoria, Illinois, recognized for his innovative work in the field of engineering. He holds a patent for a unique invention that addresses specific challenges in the design of track belts used in pneumatic systems. His contributions have significantly impacted the industry, particularly through his work at Caterpillar Tractor Co.
Latest Patents
Charles E. Grawley holds a patent for a "Flexible Sealed Track Belt." This invention is designed to fit circumferentially around a pneumatic bladder or tire carcass. The track belts are engineered to prevent the ingress of soil and rock between the track shoes attached to the outer periphery of the belt. By forming individual and permanent flat sites on the outer circular periphery of the belt, Grawley's design ensures that the flat undersurface of each track shoe nests on a flat shoe site, eliminating triangular-shaped gaps under the leading and trailing edges. Additionally, a transverse rib of elastomer is raised from the surface belt between adjacent flat sites, further sealing the belt in the narrow gaps formed between the track shoes. This innovative design prevents soil and rock from entering these gaps as the shoes pass through a footprint created by the pneumatic-supported system.
Career Highlights
Throughout his career, Grawley has made significant strides in engineering and design, particularly in the development of track systems. His work at Caterpillar Tractor Co. has allowed him to apply his inventive skills to practical applications, enhancing the efficiency and functionality of machinery used in various industries.
Collaborations
Charles E. Grawley has collaborated with notable colleagues, including Robert W. Untz and Marvin E. Beyers. These collaborations have fostered an environment of innovation and creativity, leading to advancements in engineering solutions.
Conclusion
Charles E. Grawley's contributions to the field of engineering, particularly through his patent for the Flexible Sealed Track Belt, demonstrate his commitment to innovation and problem-solving. His work continues to influence the design and functionality of track systems in the industry.