Door Hardware Template Jig for Precise Perpendicular Hole Alignment
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Solution Overview
Problem
Existing door hardware installation methods face challenges in accurately aligning perpendicular installation and mounting holes, often relying on cumbersome paper or cardboard templates that fail to ensure precise alignment.
Innovation Solution
A boring and routing template jig comprising a side template plate and a face template plate connected orthogonally, with adjustable vertical and horizontal offsets, and recessed fasteners to facilitate accurate hole positioning for door hardware installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If paper or cardboard templates are used for door hardware installation, then the installation process can be simplified, but alignment precision deteriorates and the templates become cumbersome
Solution Approach 1:
The patent introduces a rigid template jig as an intermediary tool between the installer and the door surface. This jig includes a face template plate with routing guide aperture and a side template plate with drilling guide aperture, connected by a connection mechanism. The rigid structure of the jig serves as a stable mediator that ensures precise perpendicular alignment between routing holes and drilling holes, eliminating the flexibility and inaccuracy of paper or cardboard templates while maintaining ease of use through its structured design.
Solution Approach 2:
The template jig is segmented into distinct functional components: a face template plate for routing operations, a side template plate for drilling operations, and a connection mechanism linking them. This segmentation allows each component to perform its specific function optimally - the face plate ensures accurate routing hole positioning, the side plate ensures accurate drilling hole positioning, and the connection maintains their perpendicular relationship, thereby solving the alignment precision problem while keeping the overall system manageable.
2Manufacturing precision
If a rigid template jig is used to improve alignment precision, then hole positioning accuracy improves, but device complexity increases
Solution Approach 1:
The rigid template jig is divided into separate modular components - a face template plate, a side template plate, and a connection mechanism. Each component has a specific function and can be independently manufactured and assembled. This segmentation reduces the complexity of manufacturing and assembling the entire jig while maintaining the rigid structure needed for precise hole positioning. The modular design also allows for easier storage and handling compared to a single monolithic structure.
Solution Approach 2:
The connection mechanism between the face template plate and side template plate incorporates adjustability, allowing the template jig to adapt to different door hardware configurations. This dynamic element enables the rigid structure to be customized for various installation scenarios without requiring multiple completely different jigs, thereby managing complexity while maintaining precision across different applications.
3Adaptability or versatility
If adjustable connection is used to accommodate different hardware types, then adaptability improves, but device complexity increases
Solution Approach 1:
The connection mechanism is designed with adjustable features that allow it to accommodate different door hardware types and configurations. This dynamic capability enables the same template jig to be used for various hardware installations by adjusting the connection parameters, rather than requiring separate fixed templates for each hardware type. The adjustability is implemented through a manageable connection structure that maintains overall system simplicity while providing the needed versatility.
Solution Approach 2:
The template jig with its adjustable connection mechanism serves as a universal tool for installing different types of door hardware. The face template plate and side template plate can be positioned and connected in various configurations to accommodate different routing and drilling hole patterns required by different hardware types. This multi-functionality is achieved without excessive complexity by using a standardized adjustable connection design that can adapt to multiple scenarios.
Data Source
AI summary
A boring and routing template jig for door hardware installation has a side template plate, clamping for holding the side template plate against a side area of a door to be cut and a face template plate orthogonally connected against an edge of the side template plate by a connection so that the face template plate can lie across an edge face area of the door to be cut adjacent the side area. The face template plate and the side template plate comprise respective guide apertures. The connection is configured to maintain vertical offset between the respective guide apertures and allow horizontal offset adjustment between the face template plate and the side template plate.