Company Filing History:
Years Active: 1986-2016
Title: The Innovative Journey of Donald J Broomfield
Introduction
Donald J Broomfield is a distinguished inventor based in Elgin, Illinois, known for his significant contributions to the field of fastening technology. With a total of 11 patents to his name, he has made advancements that have not only improved existing designs but also introduced novel features in fastening systems.
Latest Patents
Among his latest patents, Broomfield developed a unique fastener designed to couple two substrates. This fastener features a head, a shank, and a tip, with the shank having a generally constant diameter. The innovative design includes an unthreaded portion near the head, a threaded portion near the tip, and a reverse threaded portion in between. Notably, the threaded portion comprises a series of right-handed threads that extend onto the tip, while the reverse threaded section contains left-handed threads. Additionally, Broomfield's fastener may incorporate a cut extending radially inward and serrations on the right-handed threads to enhance performance.
Another significant patent involves a self-tapping fastener specifically constructed for use with hard board substrates such as stucco, gypsum, or wallboard. This self-tapping fastener features a forward end portion of the shank with diametrically opposed flat sections, enabling effective thread tapping even with wear on the threads. These flat sections also create recessed pockets to collect dust and debris generated during the tapping process.
Career Highlights
Throughout his career, Donald J Broomfield has been associated with reputable companies, including Illinois Tool Works Inc. and Illinoks Tool Works Inc. His engineering expertise has allowed him to thrive in fast-paced environments, contributing valuable innovations that have resulted in multiple patent filings.
Collaborations
Broomfield has collaborated with notable colleagues such as Robert G Kobetsky and Michael Starozhitsky. Together, they have worked on various projects, further expanding the technical possibilities within the fastening industry.
Conclusion
Donald J Broomfield's inventive spirit and dedication to improving fastener technology have made him a key figure in engineering circles. His 11 patents are a testament to his innovative approach and commitment to enhancing the usability and efficiency of fastening systems. As he continues to innovate, the impact of his work is sure to resonate within the industry for years to come.