Stair Installation Bracket With Positioning Bolt for Precise Anchoring
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Solution Overview
Problem
The installation of pre-fabricated staircases in stairwells is challenging due to their size and weight, as existing methods, such as using cranes, are inefficient in accurately positioning and anchoring the staircase to specific anchor points in the stairwell wall.
Innovation Solution
A stair installation bracket system comprising a bracket assembly and a hanger tool with positioning bolts, which allows for rough positioning and subsequent accurate alignment and anchoring of the staircase using pre-formed pilot holes and headless bolts, enabling secure attachment to the stairwell wall.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a crane is used to position and anchor the staircase, then the staircase can be installed, but the positioning accuracy and anchoring precision to specific anchor points deteriorates
Solution Approach 1:
The patent introduces a bracket assembly as an intermediary device between the staircase and the wall. The bracket assembly includes a bracket body with anchor holes that align with pre-formed pilot holes in the wall, and a positioning mechanism with a positioning bolt that enables precise alignment and anchoring. This intermediary device solves the contradiction by providing both accurate positioning (through the positioning bolt and alignment features) and efficient operation (through the integrated bracket design that eliminates the need for continuous crane support during anchoring).
Solution Approach 2:
The patent employs preliminary action by pre-forming pilot holes in the wall at specific anchor points before staircase installation. These pre-formed holes are positioned to align with the anchor holes in the bracket assembly, enabling quick and accurate anchoring. The bracket assembly itself is designed with pre-configured anchor holes and positioning features, allowing for rapid installation without requiring continuous crane support for positioning during the anchoring process.
2Ease of operation
If a crane is used to support heavy staircases, then the staircase can be handled, but the installation time and labor requirements increase
Solution Approach 1:
The bracket assembly serves as a mediator that transfers the load from the staircase to the wall anchor points. The bracket body is designed to receive the staircase and secure it to the wall through the positioning mechanism and anchor holes. This intermediary structure enables efficient load transfer and secure anchoring without requiring continuous crane support, thereby reducing installation time while maintaining handling capability for heavy staircases.
Solution Approach 2:
The bracket assembly is segmented into distinct functional components: the bracket body for structural support and load bearing, the positioning mechanism for precise alignment, and the anchor holes for secure attachment to the wall. This segmentation allows each component to perform its specific function efficiently, enabling rapid installation of heavy staircases without requiring continuous crane support for the entire process.
3Manufacturing precision
If traditional anchoring methods are used, then the staircase can be secured to the wall, but the positioning precision and alignment accuracy deteriorate
Solution Approach 1:
The patent merges multiple functions into a single integrated bracket assembly: structural support, precise positioning, and secure anchoring. The bracket body combines the positioning mechanism (with positioning bolt and alignment features) and the anchor holes in one component. This merging eliminates the need for separate positioning and anchoring operations, achieving high alignment accuracy while actually simplifying the overall anchoring system compared to traditional methods that require multiple separate components and operations.
Data Source
AI summary
In one implementation, a stair installation bracket for installing staircases in stairwells is provided. The bracket includes a bracket assembly configured to anchor to a wall of a stairwell, a hanger tool removably connected to the bracket assembly, and a positioning bolt for positioning a staircase relative to the wall. A method of installing a staircase using the bracket assembly includes positioning the staircase on tabs of one or more bracket assemblies, rotating the positioning bolt to vertically positioning the staircase relative to pilot holes of the bracket assembly, anchoring the staircase to the bracket assembly, and removing the hanger tool from the bracket assembly.