Anchor Bolt Rotating Blade and Viewing Box
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Solution Overview
Problem
Existing anchor bolt apparatuses, typically made of steel and formed as J-bolts, corrode and expand, leading to the breaking out of cement foundations and requiring costly and invasive replacement processes.
Innovation Solution
An improved anchor bolt apparatus featuring a rotating blade at one end and a removable viewing box on the opposite end, allowing for J-bolt replacement from the outside without cutting drywall or exterior siding, and enabling engineer certification of anchor tightening through a viewing box embedded in a structural concrete patch.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If steel J-bolts are used for anchoring, then initial anchoring strength is achieved, but corrosion causes expansion and foundation damage over time
Solution Approach 1:
The anchor bolt uses a composite construction with a corrosion-resistant outer shell (stainless steel or polymer) and an inner anchoring mechanism. This composite material approach prevents the corrosion damage that plagues traditional solid steel J-bolts while maintaining anchoring strength, directly resolving the contradiction between initial reliability and long-term corrosion resistance.
Solution Approach 2:
The anchor bolt is divided into distinct functional segments: a corrosion-resistant outer shell, an inner anchoring mechanism, and a separate rotating blade component. This segmentation allows each part to perform its specific function optimally while protecting against the harmful effects of corrosion that would affect a monolithic steel bolt.
2Ease of repair
If corroded J-bolts are replaced, then anchoring function is restored, but invasive repair procedures are required
Solution Approach 1:
The rotating blade is designed to be extractable or removable from the anchor bolt assembly. This allows the blade to be taken out for replacement or maintenance without disturbing the anchoring mechanism embedded in the foundation, enabling non-invasive repair that restores function without requiring cutting into drywall or siding.
Solution Approach 2:
The rotating blade can be dynamically adjusted or removed as needed, transforming the anchor bolt from a static, permanently embedded component into a system with movable, replaceable parts. This dynamic design enables easy maintenance and replacement without invasive procedures.
3Measurement precision
If engineer certification is implemented, then repair quality is ensured, but invasive access methods are required
Solution Approach 1:
The rotating blade serves as an intermediary mechanism that provides external access to the anchoring system. Engineers can insert and operate the rotating blade through a small opening to verify tightening without requiring large invasive openings, thus enabling precise measurement and certification while minimizing damage to the structure.
Solution Approach 2:
The rotating blade approach transforms the certification process from requiring a two-dimensional opening (cutting through drywall and siding) to a minimally invasive procedure where the blade can be inserted through a small aperture and operated in a third dimension, eliminating the need for extensive structural access.
Data Source
AI summary
An improved anchor bolt apparatus that includes a rotating blade at one end and may also include a removable viewing box on the opposite end that are adapted to allow a J-Bolt to be replaced from the outside of a building without the need of cutting drywall or any exterior siding. Furthermore, the removable box may be used to allow an engineer to view and certify the proper tightening of the anchor bolt securing the vertical walls and framework of the building to its foundation.