This inventor holds 3 USPTO granted patents. Top assignees: Baldwin Hardware Manufacturing Corporation, Baldwin Hardware Corporation. Active years: 1984-1986.
Company Filing History:
2 out of 2 
1 out of 110 Years Active: 1984-1986
Title: Elwood Shaffer: Innovator in Door Hardware Design
Introduction
Elwood Shaffer is a notable inventor based in Reading, PA (US), recognized for his contributions to door hardware design. With a total of 3 patents to his name, Shaffer has developed innovative solutions that enhance the functionality and reliability of door mechanisms.
Latest Patents
One of Shaffer's latest inventions is the Door Handle Mount. This innovative design features a door handle mount for a door equipped with a rotatable spindle for operating a latch. The mount includes a lever handle that is cantilevered on the spindle, along with a trim plate that has a spring to resiliently bias the spindle towards a home position. The unique aspect of this design is that the home position can be adjusted by relocating a movable stop, allowing users to selectively bias the spindle to accommodate the weight of the lever handle or to temporarily cancel the bias during installation.
Another significant patent is the Door Latch Apparatus. This mechanism is designed to securely fasten a door and includes a spindle and operating handles. It features a fusible connecting member that rigidly attaches the handle and spindle at room temperature, which melts at elevated temperatures to allow relative rotation. This design is particularly beneficial for latches using lever handles, as it incorporates a positive positioning mechanism that maintains the handles in their selected positions, regardless of wear and age.
Career Highlights
Throughout his career, Elwood Shaffer has worked with prominent companies in the hardware industry, including Baldwin Hardware Manufacturing Corporation and Baldwin Hardware Corporation. His experience in these organizations has contributed to his expertise in developing innovative door hardware solutions.
Collaborations
Shaffer has collaborated with notable individuals in the field, including Peter S. Fayerman and Paul James, Jr. These partnerships have likely influenced his inventive process and contributed to the success of his patents.
Conclusion
Elwood Shaffer's innovative designs in door hardware have made a significant impact on the industry. His patents reflect a commitment to enhancing the functionality and safety of door mechanisms. Shaffer's work continues to inspire advancements in hardware design.