Paul A Hartley

Title: Paul A Hartley: Innovator in Magnetic Brush Development

Introduction

Paul A Hartley is a notable inventor based in Spencerport, NY (US). He has made significant contributions to the field of electrostatography, holding a total of 3 patents. His work primarily focuses on the development of apparatuses that enhance the application of developer materials in imaging technologies.

Latest Patents

One of Hartley's latest patents is the "Magnetic brush development apparatus." This innovative device is designed for applying developer material to a latent electrostatic image. It ensures a balanced flow of developer material across the length of the apparatus. The apparatus features a housing that includes a sump for containing a supply of developer material. A magnetic brush is positioned within the housing to apply the developer material to the latent image. Additionally, a feed mechanism transports the developer material from the sump to the magnetic brush, while an agitating and transporting mechanism, preferably a ribbon blender, ensures the material is properly mixed and delivered. To maintain balanced distribution, a magnet is attached to the external wall of the housing near the sump portion.

Another significant patent by Hartley involves "Rolls useful in electrostatography." This invention features rolls with enhanced properties, including an outer layer made of cured fluoroelastomer. This layer contains pendant polydiorganosiloxane segments that are covalently bonded to the fluoroelastomer backbone. The result is a release surface that is abhesive to heat-softenable toner material, improving the efficiency of the electrostatic imaging process.

Career Highlights

Paul A Hartley has spent a considerable part of his career at Eastman Kodak Company, where he has been instrumental in advancing imaging technologies. His innovative approaches have led to the development of key apparatuses that are widely used in the industry.

Collaborations

Throughout his career, Hartley has collaborated with notable colleagues, including Joseph A Pavlisko and Hal E Wright. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Paul A Hartley's contributions to the field of electrostatography through his innovative patents have significantly impacted imaging technologies. His work continues to influence the industry, showcasing the importance of creativity and collaboration in technological advancements.