Patent attributes
A tray includes support arms and a base. Each support arm includes a top arm portion, a right hook, a right fulcrum portion mounted between the top arm portion and the right hook, a left hook, and a left fulcrum portion mounted between the top arm portion and the left hook. The base includes a base top plate that includes a right fulcrum platform, a left fulcrum platform, and a spring for each support arm. The right fulcrum portion is mounted to rotate on the right fulcrum platform. The left fulcrum portion is mounted to rotate on the left fulcrum platform. The spring is positioned to contact at least one of the right hook or the left hook when the associated support arm rotates on the right fulcrum platform and on the left fulcrum platform. The spring supports the top arm portion in an approximately upright position.