Adjustable Holding Device Drill Guide Depth Control
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Solution Overview
Problem
Existing drill guides and pocket hole jigs are limited in their ability to adjust for varying work piece sizes, do not effectively manage chip extraction, and are complex to set up for drill bit depth adjustment.
Innovation Solution
An adjustable holding device with a base, vertical support member, and clamping assembly that allows for adjustable height and width settings of drill guides, incorporates an exhaust channel for chip management, and simplifies drill bit depth adjustment through a sliding adjustment member and guide supports.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If adjustable drill guides are used to accommodate varying work piece sizes, then adaptability is improved, but device complexity increases
Solution Approach 1:
The drill guide assembly incorporates movable components including a slide mechanism with grooves and adjustment members that allow the drill guide to be dynamically repositioned in multiple directions (width and height adjustments). This dynamic design enables the same device to accommodate various work piece sizes without requiring multiple fixed setups, thereby improving adaptability while maintaining reasonable device complexity through standardized mechanical components.
2Ease of manufacture
If chip extraction is directed to the rear of the guide, then chip removal is simplified, but workspace cleanliness deteriorates due to discharge onto the floor
Solution Approach 1:
The exhaust channel is designed to extract wood chips from the drilling area and redirect them through a dedicated pathway. The channel includes a collection chamber that captures chips at the source, separating them from the workspace environment. This extraction system prevents chips from being discharged onto the floor, thereby eliminating the harmful effect of workspace contamination while maintaining simple chip removal through the integrated channel structure.
3Manufacturing precision
If drill depth setting devices are provided, then drilling precision is improved, but ease of operation deteriorates due to complicated setup
Solution Approach 1:
The adjustment member incorporates pre-marked reference positions and guide grooves that indicate correct drill depth settings. These preliminary markings allow the operator to quickly set the desired depth without complex calculations or adjustments. The groove structure itself serves as a preliminary guide that constrains the adjustment movement to precise, pre-determined positions, thereby maintaining drilling precision while significantly improving ease of operation.
Data Source
AI summary
An adjustable holding device having a pair of adjustment drill grooves and a transverse exhaust channel. Attached to the base is a vertical support member having guide supports. At least one of the guide supports is horizontally adjustable. Drill guides are removably attached to the guide support for both vertical and horizontal adjustment.