Door Lock Locator Tool for Precise Hole Alignment
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Solution Overview
Problem
Installing door locks, latches, and deadbolts requires precise positioning of edge holes and bore holes in doors, which is challenging due to varying door widths and strike plate alignments, often leading to improper placement and functional issues.
Innovation Solution
A door lock locator tool that attaches to the door, featuring edge and bore hole locators, a strike plate locator, and a mortiser with an interchangeable scorer holder, allowing for accurate marking and drilling of holes in relation to the strike plate, ensuring correct alignment and placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional manual measurement methods are used to position edge holes and bore holes, then the installation process is simple, but the positioning precision is poor leading to improper placement
Solution Approach 1:
The door lock locator serves as an intermediary tool between the door and the installer. It includes a strike plate locator with protrusions that engage with the strike plate opening, and hole locators with positioning elements that transfer the precise location markings to the door edge and face, ensuring accurate hole placement without requiring complex measurement calculations by the installer
Solution Approach 2:
The invention replaces traditional manual measurement and calculation methods with a mechanical positioning system. The locator uses physical engagement elements (protrusions fitting into strike plate openings, positioning elements contacting the door edge) to automatically determine and transfer the correct hole locations, eliminating the need for manual measurements and mathematical calculations
2Manufacturing precision
If the door lock locator includes multiple positioning elements and engagement features, then the positioning precision improves, but the device complexity increases
Solution Approach 1:
The door lock locator is divided into distinct functional segments: a strike plate locator portion with protrusions for engaging strike plate openings, an edge locator portion with positioning elements for marking hole centers on the door edge, and a bore hole locator portion for marking centers on the door face. Each segment independently performs its specific positioning function, allowing the complex positioning task to be broken down into manageable components
Solution Approach 2:
The door lock locator is designed as a universal tool that can accommodate different door configurations and strike plate positions. The positioning elements and engagement features are designed to work with standard door lock installations while maintaining flexibility for variations in door width and strike plate location, making the tool broadly applicable without requiring multiple specialized devices
Data Source
AI summary
A door lock locator configured to attach to a door having a latch edge and to locate the door lock in relation to a strike plate. The door lock locator includes an edge wall having an edge hole locator, a first wall extending from the edge wall and including a bore hole locator, a second wall extending from the edge wall and cooperating with the first wall to attach the door lock locator to the door. The door lock locator also includes a strike plate locator coupled to one of the edge wall, the first wall, and the second wall. The strike plate locator has a protrusion that selectively engages the strike plate to locate the edge hole locator and the bore hole locator.