David J McGregor

Title: David J McGregor: Innovator in Universal Joint Technology

Introduction

David J McGregor is a notable inventor based in Saginaw, MI (US). He has made significant contributions to the field of mechanical engineering, particularly in the development of universal joint technology. With a total of 3 patents to his name, McGregor's work showcases his innovative spirit and technical expertise.

Latest Patents

One of McGregor's latest patents is the "Telescopic Tripot Universal Joint." This invention features an outer drive member with three radial drive channels, including two flat longitudinal drive tracks. The inner drive member consists of three radial trunnions with cylindrical bearing surfaces, and it incorporates three intermediate drive rollers that are rotatably and slideably mounted on the trunnions. Each intermediate drive roller is designed with a convexly shaped radial bore, allowing for slight universally pivoting or wobbling movements. The design includes stops on the trunnions to limit the outward movement of the drive rollers during operation.

Another significant patent is the "Tripot Joint with Spider Retainer." This invention involves a tripot type universal joint that features a spider assembly retained by an annular resilient spring wire retainer. The retainer has small diameter segments mounted in an internal retention groove within the housing. The spider assembly includes offset large diameter access segments located externally of the housing, along with ramp portions that block internal drive channels to prevent the inadvertent removal of the spider assembly.

Career Highlights

David J McGregor is currently employed at GM Global Technology Operations, Inc. His role at the company allows him to apply his innovative ideas and engineering skills to develop advanced mechanical solutions.

Collaborations

Throughout his career, McGregor has collaborated with talented individuals such as Leonard N Franklin, Jr. and Robert C Farrell. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

David J McGregor is a distinguished inventor whose work in universal joint technology has led to several innovative patents. His contributions continue to impact the field of mechanical engineering, showcasing the importance of creativity and collaboration in driving technological advancements.