Curved Shower Rod Assembly With Oblong Brackets Against Twist
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Solution Overview
Problem
Current curved shower rods face issues with torsional and downward stresses due to the weight of the shower curtain, requiring strong anchoring to the shower walls, which is undesirable as it necessitates tools, leaves unsightly holes, and is not suitable for tiled or plastic walls.
Innovation Solution
A curved shower rod assembly with adjustable end pieces, a screw rod with opposing threads, and bi-directional threaded sleeves, along with oblong mounting brackets and footpads, allowing for secure attachment without tools or holes in the wall, and distributing loads to prevent twisting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If current curved shower rod designs are used, then the shower curtain can be supported with offset configuration, but torsional and downward stresses are created requiring strong wall anchoring
Solution Approach 1:
The mounting bracket is divided into multiple functional components: a body portion that interfaces with the rod, a mounting portion with multiple holes for wall attachment, and a reinforcing portion that extends into the rod's curved section. This segmentation allows each part to address specific stress components separately, distributing the load more effectively across the wall-rod-bracket interface.
Solution Approach 2:
The mounting bracket features an asymmetric design with the reinforcing portion strategically positioned to counteract the specific torsional forces generated by the curved rod configuration. The mounting holes are arranged asymmetrically to optimize the distribution of downward and lateral loads, rather than using a symmetric pattern that would not adequately address the directional nature of the stresses.
2Strength
If strong anchoring with screws is used, then torsional and downward forces are countered, but tools and hardware are required for installation and unsightly holes remain
Solution Approach 1:
The mounting bracket incorporates a spring mechanism that dynamically adjusts to the loads applied by the rod and curtain. The spring allows the bracket to flex and adapt to varying force magnitudes and directions, maintaining secure attachment without requiring rigid, permanent wall penetrations. This dynamic response enables the use of simpler, less invasive mounting methods.
Solution Approach 2:
The reinforcing portion of the bracket acts as an intermediary element that transfers and distributes forces between the rod and the wall mounting points. By extending into the curved section of the rod, it creates a larger force distribution area that reduces the stress concentration at any single wall attachment point, enabling the use of lighter-duty mounting hardware or methods that do not require extensive drilling.
3Ease of manufacture
If current mounting brackets are used, then rod attachment is achieved, but the bracket design does not adequately address torsional loads
Solution Approach 1:
The mounting bracket extends into a third dimension by incorporating a reinforcing portion that projects into the curved section of the rod. This dimensional extension creates a moment arm that actively resists torsional forces, transforming the bracket from a simple two-dimensional mounting plate into a three-dimensional load-distributing structure that addresses both lateral and rotational stresses.
Solution Approach 2:
The bracket's reinforcing portion is pre-positioned within the curved rod section during manufacturing, establishing a predetermined geometric relationship between the bracket and rod that optimally counters torsional forces. This preliminary configuration ensures that when the rod is installed, the bracket is already in the correct position and orientation to resist the expected load patterns without requiring additional adjustment or complex assembly steps.
Data Source
AI summary
A curved shower rod assembly is provided and includes a first end rod and a second end rod, wherein each of the first end rod and second end rod include a rod bracket end and a rod interface end, the rod bracket end and rod interface end being separated by a rod curved portion. A center rod is also included, wherein the center rod is hollow and includes a center rod inner diameter sized to movably contain the rod interface ends. Additionally, a screw rod having a first end with right-hand threads and a second end with left-hand threads is also provided, wherein the screw rod is securely contained within the center rod. A first mounting bracket and a second mounting bracket are also included, wherein each of the first and second mounting brackets are oblong in shape and include a bracket top and a bracket bottom.