Company Filing History:
11 out of 5,989 
1 out of 832,966 Years Active: 1978-1991
Title: Innovations of John R. Vandervoort - A Pioneer in Synchronizer Technology
Introduction
John R. Vandervoort, an accomplished inventor based in Richland, Michigan, holds a remarkable portfolio of 12 patents. His contributions to the field of mechanical engineering, particularly in synchronizing technology, have paved the way for advancements in various applications.
Latest Patents
Among his latest inventions, the "Self-energizing Synchronizer" is particularly noteworthy. This device employs a pin-type mechanism featuring a friction cone on the gear to be engaged. The synchronizing ring utilizes pins that positively drive an axially movable, dogged shifting clutch that is splined to the output shaft. This allows for seamless engagement with the target gear. There are innovative embodiments of the synchronizer ring; one includes sprag members arranged circumferentially to engage the friction cone upon axial force application, while another variation houses the sprag members within the ring itself. Both designs leverage camming action to enhance friction forces, facilitating synchronization without necessitating increased axial force. Another significant patent is the "Positive Clutch Structure" which offers a system for selectively coupling and decoupling two rotatable members, while distributing total system rotational backlash efficiently.
Career Highlights
Vandervoort's impressive career includes significant tenures at companies like Eaton Corporation, where he honed his skills in mechanical systems and innovative designs. His ability to translate complex ideas into practical applications has made him a respected figure in his field.
Collaborations
Throughout his career, Vandervoort has worked alongside notable colleagues such as Alan R. Davis and Joseph D. Reynolds. Their collaborative efforts have spurred innovation and development within the industry, contributing valuable knowledge to mechanical engineering.
Conclusion
John R. Vandervoort's work remains influential, as his patents continue to impact the fields of synchronizers and clutches. His inventive mind and professional collaborations have fostered advancements that are crucial to modern mechanical systems, showcasing the importance of innovation in engineering.