James A Parker

Title: James A. Parker and the Appliance Door Hinge

Introduction

James A. Parker is an inventor associated with Holland, Michigan, and Ace Manufacturing Co. His work includes a patent for an appliance door hinge designed to help counterbalance and position a range door.

Latest Patents

Parker’s listed patent is “Appliance Door Hinge.” The invention uses a frame bracket attached to the range housing and a hinge arm attached to the door. A spring-biased cam follower works against a cam surface to counterbalance the door’s weight. Indentations in the cam surface establish equilibrium positions for the door when it is ajar and fully open. A stop on the frame bracket limits the cam follower arm’s movement as the door reaches its fully open position. Multiple indentations on the follower arm allow adjustment of the spring’s counterbalancing force. Parker is credited with 1 patent.

Career Highlights

Parker’s documented patent work focuses on a practical mechanical feature of household appliances: supporting a range door and providing stable positions during use. The adjustable spring arrangement allows the hinge’s counterbalancing force to be modified.

Collaborations

Parker is associated with Ace Manufacturing Co. His listed coworker is Milo D. Sovis, Jr.

Conclusion

James A. Parker’s appliance door hinge patent describes an adjustable mechanism that counterbalances a range door and helps hold it in ajar and fully open positions.