Company Filing History:
Years Active: 1976-1977
Title: The Innovative Contributions of Benonie C. Ehrhardt
Introduction
Benonie C. Ehrhardt is a notable inventor based in Park Forest, IL (US). He has made significant contributions to the field of hydraulic systems, particularly in the design and functionality of lift trucks. With a total of 2 patents to his name, Ehrhardt's work showcases his expertise and innovative spirit.
Latest Patents
Ehrhardt's latest patents include two key inventions that enhance the efficiency and structural integrity of hydraulic systems. The first patent, titled "Mechanical and hydraulic interconnection for clustered hydraulic," presents an improved structural arrangement for mechanically and hydraulically interconnecting a cluster of three hydraulic cylinders associated with forklift truck functions. This design features a centrally located 'secondary' cylinder and two oppositely disposed 'primary' cylinders, each equipped with attachment blocks that facilitate hydraulic communication. A notable aspect of this invention is the 'shear ledge' construction, which supports structural loads and relieves shear stress on the securing bolts.
The second patent, "Multiple hose guide arrangement for a lift truck," introduces a triple section mast design that optimizes space and visibility. This invention utilizes a single pulley to carry two hydraulic supply hoses in a stacked arrangement, minimizing lateral space while maximizing visibility through the mast. The design incorporates a single acting hydraulic lift jack and short hydraulic jacks, enhancing the overall functionality of the lift truck.
Career Highlights
Ehrhardt has had a distinguished career at Allis-Chalmers Corporation, where he has applied his innovative ideas to improve hydraulic systems. His work has contributed to advancements in lift truck technology, making them more efficient and user-friendly.
Collaborations
Throughout his career, Ehrhardt has collaborated with notable coworkers such as Dean A. Matthews and Walter A. Pivarunas. Their combined expertise has fostered an environment of innovation and creativity within the company.
Conclusion
Benonie C. Ehrhardt's contributions to hydraulic systems and lift truck technology exemplify his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to improving functionality and efficiency in the industry.