Location History:
- Troy, MI (US) (1998 - 2004)
- Rochester Hills, MI (US) (2006)
Company Filing History:
1 out of 123 
1 out of 1 
1 out of 265 
Years Active: 1998-2006
Title: Gary D Grabaum: Innovator in Drive Systems
Introduction
Gary D Grabaum is a notable inventor based in Troy, MI (US). He has made significant contributions to the field of drive systems, holding a total of 4 patents. His innovative designs focus on enhancing the functionality and efficiency of automotive components.
Latest Patents
One of Gary's latest patents is the "Shaft and Wheel Hub Retention Assembly." This assembly features a retaining element, an outer race of a constant velocity joint, and a shaft of an outboard drive axle that is axially joined to the outer race. The shaft is designed with an external groove that receives the retaining element, allowing for a new generation wheel bearing assembly and a wheel hub that is non-rotatably coupled to the shaft. This design eliminates the need for a preload on the bearing, as the wheel hub is securely held in place by the retaining element and the shaft. The retained wheel hub can be rotatably driven within the wheel bearing assembly by the constant velocity joint.
Another significant patent is the "Dynamic Damper." This device is designed to absorb vibrations in a rotary driveshaft. It includes a mass member assembly with multiple mass members, each having an inner surface, an outer surface, and an affixing member to connect them. The mass member assembly can be affixed to a rotary shaft, enhancing the overall performance and stability of the drive system.
Career Highlights
Throughout his career, Gary has worked with various companies, including GKN Driveline North America, Inc. His experience in the industry has allowed him to develop innovative solutions that address common challenges in drive systems.
Collaborations
Gary has collaborated with notable professionals in the field, including Theodore H Collins and Gwynne Williams. These collaborations have contributed to the advancement of his inventions and the overall improvement of automotive technologies.
Conclusion
Gary D Grabaum is a distinguished inventor whose work in drive systems has led to several innovative patents. His contributions continue to influence the automotive industry, showcasing the importance of creativity and engineering in developing effective solutions.