This inventor holds 3 USPTO granted patents. Top assignees: Brown & Sharpe Manufacturing Co., Federal Products Corporation, Other. Active years: 1978-1996.
Company Filing History:
1 out of 34 
1 out of 12 
1 out of 834,350 Years Active: 1978-1996
Title: The Innovations of Robert P Callaghan, Jr.
Introduction
Robert P Callaghan, Jr. is an accomplished inventor based in Westerly, RI (US). He holds a total of 3 patents that showcase his expertise in engineering and design. His innovative contributions have significantly impacted the field of machine tool testing and drive systems.
Latest Patents
One of his latest patents is the "Long Range Sliding Ball Bar Test Gage." This device is designed for testing the accuracy of machine tools and is capable of measuring out of roundness as well as long-range linear measurements. The test gage features a linear guide assembly, reference elements, and a long-range measurement device, allowing for precise measurements over a length of about 30-40 inches. Another notable patent is the "Drive System for Air Bearing Machines." This improved drive system eliminates backlash and vibrations, requires no lubrication, and is compact and simple. It includes a stationary bar, a wedge member, and a preloader, all working together to enhance the performance of machines incorporating air bearings.
Career Highlights
Throughout his career, Robert has worked with various companies, including Federal Products Corporation. His experience in these organizations has contributed to his development as an inventor and has allowed him to refine his innovative ideas.
Collaborations
Robert has collaborated with Joseph S Olasz, further enhancing his work and contributions to the field of engineering.
Conclusion
Robert P Callaghan, Jr. is a notable inventor whose patents reflect his dedication to innovation in machine tool testing and drive systems. His work continues to influence the industry and inspire future advancements.