Company Filing History:
Years Active: 1985-1991
Title: John R. Chapman: Innovator in Mechanical Engineering
Introduction
John R. Chapman is a notable inventor based in Rockford, IL (US), recognized for his contributions to mechanical engineering. He holds a total of 3 patents, showcasing his innovative spirit and technical expertise in the field.
Latest Patents
Chapman's latest patents include the "Radial Torque Limiter" and the "Linear No-Back Device." The Radial Torque Limiter is designed for geared rotary actuators, featuring an input member coupled to an output member that drives a sun gear and planet gears. This invention utilizes roller elements arranged at ramp sections to apply a braking force, effectively managing excess transmitted torque. The Linear No-Back Device allows for bi-directional linear motion transmission while preventing independent motion of the output shaft. It incorporates spring discs and a preloaded compression coil spring to ensure efficient operation even when the output shaft is jammed.
Career Highlights
John R. Chapman is currently employed at Sundstrand Corporation, where he continues to innovate and develop new technologies. His work has significantly impacted the mechanical engineering sector, particularly in the design of torque limiting and motion transmission devices.
Collaborations
Throughout his career, Chapman has collaborated with talented individuals such as Gary D. Gillingham and Gregory C. Hopkins, contributing to various projects and advancements in their field.
Conclusion
John R. Chapman exemplifies the spirit of innovation in mechanical engineering through his patents and contributions at Sundstrand Corporation. His work continues to influence the industry and inspire future inventors.