Adjustable Story Stick for Hinge Mortise Positioning
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Solution Overview
Problem
Existing woodworking tools lack precision and versatility in accurately positioning and creating mortises for hinges, especially when dealing with varying hinge sizes and workpiece geometries.
Innovation Solution
An adjustable hinge positioning jig, comprising a center mass with a hinge jaw and laterally adjustable edge spacers, allows for precise alignment and sizing to accommodate different hinge sizes and workpiece edges, facilitating accurate mortise creation on both box edges and lids.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed woodworking tool is used for hinge positioning, then the tool structure is simple, but it cannot accommodate varying hinge sizes and workpiece geometries
Solution Approach 1:
The story stick employs adjustable components including a movable story stick with adjustable stops and a lateral adjustment mechanism. These dynamic elements allow the tool to adapt its positioning and dimensions to accommodate various hinge sizes and workpiece geometries while maintaining operational simplicity through mechanical adjustment rather than complex reconfiguration
Solution Approach 2:
The story stick is designed as a universal tool that can position hinges of different sizes and types on various workpiece geometries. The adjustable stops, lateral adjustment capability, and scalable dimensions enable a single tool to perform multiple positioning functions across different woodworking applications, eliminating the need for multiple specialized fixtures
2Manufacturing precision
If traditional woodworking methods are used for mortise placement, then no special equipment is needed, but precision and accuracy in hinge positioning deteriorates
Solution Approach 1:
The story stick enables preliminary positioning and marking of hinge locations before actual mortise cutting. The adjustable stops and lateral adjustment mechanism allow precise pre-positioning to be established and transferred to the workpiece, ensuring accurate mortise placement is achieved before the cutting operation begins
Solution Approach 2:
The story stick acts as an intermediary positioning device between the woodworker and the workpiece. It provides a mechanical reference system with adjustable stops and guides that mediate the positioning process, translating adjustment settings into precise mortise locations without requiring complex measurement and calculation during the actual cutting operation
3Productivity
If manual measurement and marking methods are used, then the process is simple, but time consumption increases and accuracy decreases
Solution Approach 1:
The story stick is designed to be self-positioning through its adjustable stops and lateral adjustment mechanism. Once the stops are set to the desired dimensions, the tool automatically maintains correct positioning without requiring continuous manual measurement or adjustment during the positioning process, thereby reducing time loss while maintaining simplicity of operation
Data Source
AI summary
A tool or hinge positioning jig for creating hinge mortises including a hinge jaw having an hinge jaw first portion opposite and substantially parallel to an hinge jaw second portion, and an exterior first surface facing opposite an exterior second surface wherein at least one of the exterior first surface or the exterior second surface is laterally adjustably coupled to the hinge jaw, and wherein the hinge jaw first portion and hinge jaw second portion are capable of being aligned with first and second hinge edges, respectively, and the exterior first surface and exterior second surface are capable of being aligned with first and second workpiece edges, respectively.