David R Graham

Title: The Innovations of David R. Graham: A Pioneer in Bicycle Engineering

Introduction

David R. Graham is a notable inventor based in Danbury, CT, who has made significant contributions to the field of bicycle engineering. With a total of six patents to his name, he has introduced innovative solutions that enhance the performance and safety of bicycle components.

Latest Patents

Among his latest inventions, two notable patents stand out: the Bicycle Wheel Axle Dropout Member and the Replaceable Derailleur Hanger.

The Bicycle Wheel Axle Dropout Member comprises a body portion that can be joined to a wheel axle-supporting member of a bicycle. It features a pair of arm portions extending from the body, creating a slot that receives a section of the bicycle wheel axle. Notably, one arm portion has a distal part projecting outward, which includes a hole for a stop member. This mechanism ensures that the wheel remains secured, even if it unseats from the slot base.

The Replaceable Derailleur Hanger consists of a plate-like dropout member and a plate-like hanger member. The bifurcated coupling portion of the hanger defines a slot into which a dropout portion fits snugly. Fasteners unite the two members at their overlapping junction, allowing for easy replacement and maintenance.

Career Highlights

David R. Graham is prominently associated with Cannondale Corporation, where his innovations reflect the company’s commitment to enhancing biking experiences. His expertise in bicycle engineering and design has solidified his reputation as a forward-thinking inventor in the industry.

Collaborations

Working alongside fellow innovators David Irwin and Mark T. La Plante, Graham has contributed to a collaborative environment that fosters creativity and technological advancement in bicycle manufacturing. Their partnership has led to the development of groundbreaking bicycle components, elevating Cannondale’s offerings in the competitive cycling market.

Conclusion

David R. Graham’s contributions to bicycle innovation through his patents exemplify the spirit of invention. As he continues to develop new technologies, his work serves as an inspiration for both current innovations and future advancements in the cycling world. His journey in bicycle engineering highlights how dedicated inventors can make a lasting impact on sports and recreation.