Douglas W Shaffer

Title: Douglas W. Shaffer: Innovator in Electrostatographic Technology

Introduction

Douglas W. Shaffer is a notable inventor based in Pittsford, NY (US). He has made significant contributions to the field of electrostatographic technology, holding a total of 3 patents. His work primarily focuses on the development of process cartridges that enhance the efficiency and quality of electrostatographic reproduction machines.

Latest Patents

One of his latest patents is a process cartridge that includes process components having critical image positions. This electrostatographic process cartridge is designed to be detachably mounted into a cavity defined by mated machine modules. It features a housing that defines a process chamber and a rotatable cylindrical photoreceptor. The cylindrical photoreceptor is mounted horizontally within the process chamber and has a fixed rotational closed loop path. The cartridge includes several process components, such as a toner image transferring component and a cleaning component, each strategically positioned to ensure high-quality toner image production.

Another significant patent by Shaffer is a process cartridge that includes a handle defining part of a machine paper. This cartridge is also designed for detachable mounting and features an elongate housing with a closed loop path for a rotatable endless photoreceptive member. The design includes a module handle for easy gripping and removal by an operator, enhancing the user experience in the operation of electrostatographic machines.

Career Highlights

Douglas W. Shaffer has built a successful career at Xerox Corporation, where he has been instrumental in advancing electrostatographic technologies. His innovative designs and patents have contributed to the efficiency and effectiveness of printing and reproduction processes.

Collaborations

Throughout his career, Shaffer has collaborated with notable coworkers, including Ajay Kumar and Dhirendra C. Damji. These collaborations have fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies in the field.

Conclusion

Douglas W. Shaffer's contributions to electrostatographic technology through his patents and work at Xerox Corporation highlight his role as a key innovator in the industry. His inventions continue to influence the efficiency and quality of printing technologies today.