Roger Troccaz

Title: The Innovations of Roger Troccaz

Introduction

Roger Troccaz is a notable inventor based in Annecy, France. He has made significant contributions to the field of engineering, particularly in the design and functionality of bicycle components. With a total of 2 patents to his name, Troccaz continues to push the boundaries of innovation.

Latest Patents

Troccaz's latest patents include a "Tubular spindle mounting for bicycle bottom-bracket hub" and a "Bearing race rolling device." The tubular spindle patent describes a bottom bracket hub that features a hollow spindle with two ball-bearings. This design allows for a relatively thin wall and includes mountings that permit the axial adjustment of the spindle. The ball-bearings are mounted on the spindles, and inserts are fitted into the ends of the spindle. Alternatively, the inner races of the bearings can be formed by cold-rolling the outer surface of the hollow spindle. The bearing race rolling device patent outlines a method for rolling rolling-contact bearing races from a blank using a die and shaping wheels. This device includes an inner roller for obtaining the internal profile of the race and an outer wheel for shaping part of the external profile.

Career Highlights

Roger Troccaz is associated with Societe Nouvelle De Roulements, where he has applied his expertise in engineering to develop innovative solutions. His work has significantly impacted the design and manufacturing processes within the industry.

Collaborations

Troccaz collaborates with Gerard Druge, a fellow innovator, to further enhance their contributions to engineering and design.

Conclusion

Roger Troccaz exemplifies the spirit of innovation through his patents and contributions to the engineering field. His work continues to inspire advancements in bicycle technology and beyond.