Norwood C Graeff

Title: Norwood C Graeff: Innovator in Electrical Connectivity

Introduction

Norwood C Graeff is a notable inventor based in Harrisburg, PA (US), recognized for his contributions to electrical connectivity. With a total of 5 patents, Graeff has made significant advancements in the field of printed circuit board (PCB) technology.

Latest Patents

One of his latest inventions is the "Contact clip for connecting a ceramic substrate to a printed circuit." This innovative contact clip is designed to attach to a ceramic or other type of substrate, allowing for seamless electrical connections with a PCB. The clip features a receptacle for mechanical retention and electrical contact, a spring arm to protect the substrate from thermal and mechanical stresses, and a low force pluggable pin section for easy insertion into a board's plated-through hole. Additionally, it establishes redundant short electrical paths between the substrate pad and the PCB traces.

Another significant patent is the "Electrical switch assembly." This invention pertains to a single piece, stamped and formed electrical switch assembly intended for mounting on a printed circuit board. The assembly comprises a U-shaped member with one arm featuring an elongated cantilever spring blade, while the other arm includes mounting means. A detachable contact post is attached to the spring blade by a break-away strap, and the design includes features to hold the spring blade in a stationary open position during various stages of handling and cleaning.

Career Highlights

Norwood C Graeff is currently associated with Amp LLC, where he continues to innovate and develop new technologies in electrical connectivity. His work has had a lasting impact on the industry, particularly in enhancing the reliability and efficiency of electrical connections.

Collaborations

Throughout his career, Graeff has collaborated with notable colleagues, including Robert F Cobaugh and Clifford F Bobb. These partnerships have contributed to the development of innovative solutions in the field.

Conclusion

Norwood C Graeff's contributions to electrical connectivity through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence advancements in PCB technology and electrical assembly design.