U-Shaped Bracket for Multi-Story Building Stud Assembly
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Solution Overview
Problem
The construction of single- or multi-story buildings is often expensive and time-consuming due to the complexity and cost of securing studs to building foundations, particularly in two- to five-story buildings, where existing holddowns require multiple bolts and fasteners.
Innovation Solution
A U-shaped bracket with simple fasteners is used to secure multiple studs, allowing for efficient and cost-effective assembly by positioning the bracket over the studs' end surfaces with arms spaced to accommodate them, and a tie member can be used to enhance stability between stories.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional holddowns with multiple bolts and fasteners are used to secure studs to the foundation, then the structural strength and reliability are improved, but the device complexity and manufacturing cost increase significantly
Solution Approach 1:
The patent combines multiple fastening functions into a single integrated bracket assembly that secures multiple studs simultaneously. The bracket incorporates multiple arms, each with fastener openings for different studs, and a base section with aperture for rod connection to the foundation. This merging of multiple fastening operations into one component reduces device complexity while maintaining structural strength.
Solution Approach 2:
The bracket is designed as a universal component that can secure multiple studs of different dimensions and configurations. The base section with rod aperture provides foundation attachment, while multiple arms with various fastener openings accommodate different stud arrangements. This multi-functional design eliminates the need for multiple specialized holddowns, reducing both complexity and cost while maintaining reliability.
2Reliability
If multiple bolts and fasteners are used to assemble holddowns, then the reliability of stud connection is improved, but the assembly time and labor cost increase
Solution Approach 1:
The bracket is designed with pre-positioned arms and fastener openings that are ready to receive studs in their final positions. The base section with rod aperture is prepared in advance for foundation attachment. This preliminary configuration of the bracket allows for rapid assembly by simply inserting studs into the pre-positioned arms and tightening fasteners, significantly reducing assembly time while maintaining connection reliability through the pre-planned structural arrangement.
3Stability of the object's composition
If traditional holddowns are used for two- to five-story buildings, then the structural stability is improved, but the cost and assembly complexity increase
Solution Approach 1:
The bracket is segmented into distinct functional components: a base section for foundation attachment with rod aperture, and multiple arms for securing different studs. Each arm can be independently positioned and fastened. This segmentation allows for easier manufacturing of standardized components that can be produced efficiently and assembled rapidly on multi-story buildings, while the overall segmented structure maintains structural stability through distributed load paths.
Data Source
AI summary
A bracket for a single- or multi-story building is disclosed. The building can include horizontal building member, such as a sill plate, and a bracket comprising a base section and first and second arms extending transversely from the base section. The first and second arms can be spaced apart from one another. The base section can include an aperture. A pair of studs can be disposed between the first and second arms. An outer side surface of a first stud of the pair of studs can be connected to the first arm and an outer side surface of a second stud of the pair of studs can be connected to the second arm. A tie member, such as a threaded rod, can extend substantially parallel to and positioned between the first stud and the second stud and can pass through the opening of the base section and into the horizontal building member.