Picture Hanger Base Plate and Pivot Wire to Prevent Nail Displacement
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Solution Overview
Problem
Existing picture hanger systems do not facilitate safe, convenient, and economical mounting and locating of a picture strand during the mounting process.
Innovation Solution
A picture hanger system comprising a base plate with specific geometric configurations and a support wire with a J-shaped hook and pivot fingers, designed to securely hold a picture strand while minimizing lever forces that could pull nails from the wall, allowing for easy and stable hanging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional picture hanger system is used, then the picture can be mounted on the wall, but the system does not facilitate safe and convenient locating of the picture strand during mounting
Solution Approach 1:
The patent applies color changes by providing the base plate with a forward face that is distinct from the rearward face, creating visual contrast that facilitates easy location of the picture strand during mounting. The differentiated facial surfaces allow users to quickly identify the correct orientation and position of components without complex tools or procedures.
2Reliability
If a conventional picture hanger system is used, then mounting can be performed, but lever forces can pull nails from the wall causing unsafe mounting
Solution Approach 1:
The patent applies preliminary anti-action through the wire configuration where the lower region forms a J-shaped hook that receives the picture strand, and the upper region has outwardly extending coaxial pivot fingers that counteract lever forces before they can dislodge the nails. The converging legs in the central region further distribute and reduce the mechanical stress on mounting points.
Solution Approach 2:
The patent implements anti-weight principles through the strategically positioned J-shaped hook and pivot fingers that create counterbalancing forces. The hook geometry and finger placement are designed to offset the lever forces generated by the picture weight, preventing nail extraction while maintaining secure mounting.
3Reliability
If a picture hanger system with complex geometry is used, then mounting security is improved, but manufacturing complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the wire into distinct functional regions: a central region with converging legs, a lower region with a J-shaped hook, and an upper region with coaxial pivot fingers. This segmentation allows each region to be optimized for its specific function while simplifying the overall manufacturing process through modular construction.
Solution Approach 2:
The patent implements dynamics through the pivot fingers that can rotate within their respective holes, allowing the wire assembly to adapt to slight variations in mounting positions and picture weights. This dynamic capability enhances stability without requiring complex fixed geometries, simplifying manufacturing while maintaining reliability.
Data Source
AI summary
A base plate has a generally rectangular central section, a trapezoidal lower section, a generally rectangular upper section, and similarly configured generally semi-circular side sections. Vertical bends are between the side sections and the central section whereby the side sections extend forwardly to form an angle of 90 degrees with respect to the central section. Each side section has a pivot hole and a horizontal bend between the upper section and the central section. A support wire is shaped to form central, lower and upper regions. The central region has converging legs. The lower region has an upwardly extending J-shaped hook. The upper region has outwardly extending coaxial pivot fingers received in the pivot holes.