John Kirby

Title: The Innovative Mind of John Kirby

Introduction

John Kirby is an inventive mind hailing from South Hamilton, Massachusetts. He is known for his unique contributions to the field of writing instruments, particularly through his innovative patent for a disposable propel-repel pencil. With a single patent to his name, Kirby has made a notable impact in the world of mechanical pencils.

Latest Patents

Kirby's most recent patent is for a disposable propel-repel pencil. This mechanical pencil features a barrel with a non-circular internal bore and a helical coil member fitted within the bore. The design includes an externally positioned driving member and a lead positioning means or pusher member that is threadably engaged with the coil. This pusher member is constrained by the non-circular bore of the barrel, allowing for sliding longitudinal movement. The lead positioning means includes fins that extend through the coil turns, acting as a positioning stop for the writing lead. This innovative design allows for the propelling and repelling of the writing lead upon manual rotation of the external driving member.

Career Highlights

John Kirby is currently associated with Scripto LLC, a company known for its writing instruments. His work at Scripto has allowed him to develop and refine his innovative ideas, contributing to the advancement of mechanical pencil technology.

Collaborations

Throughout his career, Kirby has collaborated with notable individuals such as William A. Jarvis and Alan J. Lane. These collaborations have likely enriched his inventive process and contributed to the development of his patent.

Conclusion

John Kirby's inventive spirit and innovative designs have made a significant mark in the realm of writing instruments. His patent for the disposable propel-repel pencil showcases his ability to combine functionality with creativity.