Wall Hanging Crossbar With Sliding Arms for Square Alignment
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Solution Overview
Problem
Existing methods for hanging rectangular objects on walls require tedious and accurate measurements to ensure proper orientation, as most retainers on the objects are not evenly spaced from the upper edge, making it difficult to position them square to the floor or ceiling.
Innovation Solution
A device comprising a crossbar with a leveling bubble and arms that are slidably coupled to the crossbar via knuckles, allowing for precise adjustment and marking of hook positions on the wall to align the object's edges with the horizontal plane, thereby simplifying the hanging process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional measurement methods are used to position hooks on the wall, then accurate positioning can be achieved, but the process becomes tedious and time-consuming
Solution Approach 1:
The device pre-establishes the geometric relationship between the object's retainers and its outer frame edges during manufacturing. The crossbar and arms are configured with fixed dimensional relationships that correspond to the retainer positions, allowing the installer to directly transfer this pre-calibrated geometry to the wall without performing measurements during installation.
Solution Approach 2:
The hanging device serves as an intermediary tool that bridges the object to be hung and the wall. It incorporates the retainer spacing geometry into its structure, allowing the installer to use the device's physical dimensions rather than performing measurements. The device's crossbar and arms act as a physical template that directly determines hook positions.
2Ease of manufacture
If retainers are positioned at standard locations on the object, then manufacturing is simplified, but the object cannot be hung square to the floor when retainer spacing does not match wall hook spacing
Solution Approach 1:
The device incorporates adjustable arms that can be positioned at different locations along the crossbar. This adjustability allows the installer to accommodate various retainer spacing configurations on different objects while maintaining the ability to hang them square to the floor. The dynamic adjustment capability bridges the gap between fixed manufacturing standards and variable installation requirements.
3Measurement precision
If multiple measurements are taken to ensure proper orientation, then hanging accuracy is improved, but the complexity of the hanging process increases
Solution Approach 1:
The device extracts the measurement and calculation functions from the installation process and incorporates them into the physical structure of the tool itself. The crossbar length, arm lengths, and arm positioning are pre-calculated and fixed during manufacturing to match standard retainer configurations, eliminating the need for the installer to perform measurements and calculations.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device enables easy and accurate positioning of rectangular objects on walls, ensuring they are hung square to the floor or ceiling without the need for extensive measurements, enhancing the aesthetic alignment of wall decorations.
Implementation Method 1
The crossbar has a longitudinal edge, a track parallel to the edge, and a leveling bubble with markings thereon that are indicative of a horizontal orientation of the longitudinal edge.
Data Source
AI summary
A device for hanging an object on a wall includes a crossbar, a knuckle, an arm, and an end cap. The crossbar includes a track extending between two opposing ends of the crossbar. The knuckle is slidably coupled to the crossbar such that the knuckle is slidable in a first direction. The knuckle includes a projection that has a pair of parallel sides. The arm has a marking pin that projects generally perpendicular from a forward surface of the arm. The arm is coupled to the crossbar via the knuckle such that the arm is slidable along the pair of parallel sides of the projection in a second direction. The end cap is coupled to one of the two opposing ends of the crossbar. The end cap includes an “L” bracket that provides an engagement surface for engaging a corner of a second object previously hung on the wall.