Extended Soffit Hole Saw for Multi-Soffit Alignment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing hole saws are limited to drilling through a single soffit, requiring repetitive relocation for multiple holes, which complicates the installation of linear pipe runs.
Innovation Solution
A hole saw with an extension mechanism that securely locks onto a tube, allowing continuous drilling through multiple soffits by threading onto an adapter, ensuring precise alignment and extending the drilling reach up to ten feet.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a standard hole saw is used to drill through soffits, then a hole can be drilled through one soffit, but the worker must relocate to drill through the next soffit, repeating the process multiple times
Solution Approach 1:
The drilling system is segmented into a drill bit component, a hole saw component, and an extension tube component that can be assembled together. The extension tube acts as an intermediate segment that bridges multiple soffits, allowing the drill bit and hole saw to remain in a fixed position while drilling through multiple soffits along the extended reach.
Solution Approach 2:
The extension tube serves as an intermediary element between the drill assembly and the distant soffit. It provides a guided pathway that allows the drilling operation to extend through multiple soffits without requiring relocation of the drill assembly, effectively mediating between the fixed drill position and the multiple drilling targets.
2Manufacturing precision
If holes are drilled through multiple soffits by relocating, then holes can be created in each soffit, but alignment accuracy decreases due to repeated positioning
Solution Approach 1:
The system segments the drilling function from the positioning function. The extension tube provides a fixed geometric reference that maintains alignment across multiple soffits, while the drill assembly simply follows the guided path, reducing the complexity of positioning operations.
Solution Approach 2:
The patent uses visual alignment features (analogous to color changes in TRIZ) through the use of aligned holes and geometric references in the extension tube that provide visual feedback for proper positioning, ensuring accurate hole alignment through multiple soffits.
3Productivity
If the hole saw is extended to reach through multiple soffits, then continuous drilling is enabled, but the device complexity increases with the extension mechanism
Solution Approach 1:
The extension mechanism is segmented into modular components (extension tube with holes, adapter, hole saw, drill bit) that can be independently manufactured and assembled. This segmentation reduces the complexity of any single component while enabling the overall system to achieve continuous drilling through multiple soffits.
Solution Approach 2:
The extension tube serves multiple functions: it provides structural support for the drilling operation, guides the alignment through multiple soffits, provides mounting locations for additional holes via its own holes, and acts as the extending reach mechanism. This multi-functionality reduces the need for separate components.
Data Source
AI summary
This invention provides the means for construction crews to easily drill through multiple beams or soffits with the use of a hole saw that is coupled to a first drive cup using a coupling arbor. The first drive cup is attached to a first end of an extension tube and is secured using self-tapping screws. A second drive cup is attached to a second end of the extension tube with self-tapping screws where a drive coupling arbor provides a hexagonal shank that is attached to a drive device, such as a hammer drill or standard drill. When activated the rotational motion allows the hole saw to cut through the beams or soffits. A pilot bit is provided to guide the hole saw into the beams or soffits when in use.