David J Jarvis

Title: The Innovative Contributions of David J Jarvis

Introduction

David J Jarvis is a notable inventor based in Chicago, IL, who has made significant contributions to the field of engineering through his innovative patents. With a total of 2 patents, Jarvis has demonstrated his expertise and creativity in developing practical solutions for various mechanical challenges.

Latest Patents

One of Jarvis's latest inventions is the "Air operated fifth wheel uncoupling apparatus." This accessory apparatus is designed to facilitate the uncoupling of a king pin of a trailer from a locking device on a fifth wheel. The apparatus features a power device, such as a pneumatic cylinder, which is suspended from the bottom surface of the fifth wheel plate. This design allows for a streamlined fifth wheel assembly. The cam mounted on the power device's actuating member is symmetric, and a coil spring within the housing is also symmetric with the longitudinal axes of the cam and actuating member. This innovative design eliminates the need for external guides or springs. The power device can be energized remotely to unlock the fifth wheel jaw and release the king pin.

Another significant patent is the "Slackless railway coupler with draft/buff gear." This slackless railcar coupler assembly is mountable in a railcar center sill and features a draft gear subassembly that operates against a rear stop. The slack-free coupler apparatus is mounted in a coupler pocket forward of the draft gear subassembly. This design connects both subassemblies to provide a dynamic load in both the buff and draft directions, effectively avoiding mechanical, longitudinal stress loads on the coupler assembly and railway car.

Career Highlights

David J Jarvis is currently employed at Amsted Industries Inc., where he continues to innovate and contribute to the field of engineering. His work at Amsted Industries has allowed him to apply his inventive skills to real-world applications, enhancing the efficiency and functionality of various mechanical systems.

Collaborations

Throughout his career, Jarvis has collaborated with talented individuals such as Horst T Kaufhold and John J Steffen. These collaborations have fostered a creative environment that encourages the development of groundbreaking inventions.

Conclusion

David J Jarvis is a distinguished inventor whose contributions to engineering are marked by his innovative patents and collaborative spirit. His work continues to impact the industry positively, showcasing the importance of creativity and teamwork in the field of invention