Stackable Recessed Concrete Anchor With Curved Retaining Bar
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Solution Overview
Problem
Existing concrete-embedded safety anchors, such as the Pro-Bel Model #PBE68, are not easily stackable for transport or storage, making them cumbersome to handle and transport.
Innovation Solution
A fall protection safety anchor with a frusto-spherical or frusto-conical housing and outwardly diverging side walls allowing for stackability, combined with a uniformly curved retaining bar for easy installation and a cover that ensures a flush surface with the concrete, facilitating easy handling and transport while providing significant load-bearing capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a box type safety anchor with straight reinforcement rod is used, then the anchor can provide significant load capacity, but it is not easily stackable for transport or storage
Solution Approach 1:
The housing is designed with a frusto-spherical or frusto-conical shape featuring outwardly diverging side walls. This curved, tapered geometry allows the housings to nest within each other for compact stacking during transport, while the same shape provides structural strength to withstand significant loads when embedded in concrete.
2Strength
If a complex reinforcement structure is used to ensure strength, then the anchor can withstand significant loads, but the installation process becomes more complicated
Solution Approach 1:
The reinforcement bar is integrated directly into the housing structure as a unified component. The bar features apertures that align with the housing, allowing it to be inserted and secured in a single operation. This merging of components eliminates the need for separate reinforcement installation steps, simplifying the overall installation process while maintaining structural integrity.
Solution Approach 2:
The reinforcement bar is pre-configured with specific features (apertures, curved shape) during manufacturing that enable easy installation. The bar is designed to be inserted through the housing apertures and secured with simple tying or locking mechanisms, preparing the structural reinforcement in advance rather than requiring complex on-site assembly.
Data Source
AI summary
A fall protection permanently embedded safety anchor comprises a unitary housing having outwardly diverging side walls and an interior cavity. Opposed apertures in the side walls receive a uniformly curved retaining bar, the ends of which extend outside the cavity and are embedded in the concrete. The anchor may be easily installed stored and transported and installed in the field. The side walls terminate in an outwardly extending collar that receives a cover that is flush with the surrounding concrete surface.