Edward Carl Johnston

Title: The Innovative Contributions of Edward Carl Johnston

Introduction

Edward Carl Johnston is a notable inventor based in Dalton, OH (US). He has made significant contributions to the field of door systems, holding a total of 4 patents. His work focuses on enhancing the functionality and safety of sectional overhead doors.

Latest Patents

One of Johnston's latest patents is the "Sectional Door Cable Tensioner." This invention features a cable tensioner designed for a sectional overhead door equipped with a motor-driven counterbalance system. The system includes a spring-loaded axle and cable drums that interconnect with the door, allowing for efficient raising and lowering. The tension spring in this design is crucial as it takes up any slack in the cable, ensuring smooth operation.

Another significant patent is the "Shield for a Movable Barrier." This invention provides a transition shield for door systems that include vertical and horizontal track sections. The shield is designed to prevent objects from entering the transition space between the door jamb and the transition track section. It features a plate-like member that fits closely to the jamb, effectively covering the transition space and enhancing safety.

Career Highlights

Edward Johnston is currently associated with Wayne-Dalton Corporation, where he continues to innovate in the field of door systems. His work has been instrumental in developing solutions that improve the functionality and safety of overhead doors.

Collaborations

Throughout his career, Johnston has collaborated with talented individuals such as Dwayne Joseph Kornish and James M West. These partnerships have contributed to the successful development of his innovative patents.

Conclusion

Edward Carl Johnston's contributions to the field of door systems through his patents demonstrate his commitment to innovation and safety. His work continues to influence the industry, making him a significant figure in the realm of inventions.