Company Filing History:
Years Active: 1976-1978
Title: Innovations by Calvin P. Rickerd
Introduction
Calvin P. Rickerd is a notable inventor based in La Grange Park, Illinois. He has made significant contributions to the field of agricultural machinery, particularly through his innovative patents. With a total of 2 patents, Rickerd has demonstrated his expertise and commitment to enhancing the efficiency of farming equipment.
Latest Patents
Rickerd's latest patents include a "Combine Automatic Travel Control System" and a "Variable Speed Feed Roll Drive Mechanism for Forage Harvesters." The Combine Automatic Travel Control System is designed to automatically control the forward speed of a combine based on feeder and separator loading. This system reduces speed in proportion to grain losses that exceed predetermined limits. It utilizes a hydrostatic transmission controlled by a hydraulic cylinder, which is actuated by solenoids connected to a comparator circuit. The system integrates signals from various sensors to optimize performance and ensure efficient operation.
The Variable Speed Feed Roll Drive Mechanism for Forage Harvesters features a reversible hydrostatic transmission that allows for an infinitely variable range of output speeds. This innovation enables the operator to adjust the length of cut for crops passing through the chopper, enhancing the versatility and effectiveness of forage harvesters.
Career Highlights
Calvin P. Rickerd has spent a significant portion of his career at the International Harvester Company, where he has been instrumental in developing advanced agricultural technologies. His work has contributed to the evolution of farming equipment, making it more efficient and user-friendly.
Collaborations
Throughout his career, Rickerd has collaborated with talented individuals such as Randolph G. Fardal and Reynold Barkstrom. These collaborations have fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies in the agricultural sector.
Conclusion
Calvin P. Rickerd's contributions to agricultural machinery through his patents reflect his dedication to innovation and efficiency. His work continues to impact the farming industry positively, showcasing the importance of inventive minds in advancing technology.