Portable Door Lock Installation Jigs for Precise Door-Floor Alignment
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Solution Overview
Problem
Existing methods lack tools to precisely install door hardware and floor strikes for a portable door shelter lock, leading to improper functioning and prolonged installation times.
Innovation Solution
A specialized installation tool comprising a first jig for marking door holes and a second jig for drilling a well in the floor, ensuring precise alignment and installation of the door assembly and floor strike.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional installation methods are used for door hardware and floor strike, then installation time is reduced, but installation precision and alignment accuracy deteriorate
Solution Approach 1:
The patent introduces specialized installation jigs and templates as intermediary tools that mediate between the installer and the door/floor components. These jigs provide pre-configured alignment features, guide holes, and positioning mechanisms that ensure precise placement of the door assembly and floor strike without requiring complex manual measurement and alignment procedures, thus achieving high precision without proportionally increasing installation time
Solution Approach 2:
The installation jigs and templates are pre-configured with precise geometric relationships, pre-drilled guide holes, and pre-positioned alignment features before the actual installation takes place. This preliminary preparation of the installation tools allows for rapid, accurate installation of the door hardware and floor strike, eliminating the need for time-consuming on-site measurement and alignment while maintaining high precision
2Reliability
If manual installation methods are used for door hardware and floor strike, then tool complexity is reduced, but installation reliability deteriorates
Solution Approach 1:
The specialized installation jigs and templates serve as intermediary devices that embody the precise geometric relationships and alignment requirements. These jigs incorporate multiple features (guide holes, positioning pins, alignment edges, pre-marked locations) that work together as an integrated system to ensure reliable installation. While the jigs themselves are complex tools, they replace the need for multiple separate manual operations and tools, providing consistent, repeatable results that improve installation reliability
Solution Approach 2:
The installation jigs and templates are designed as multi-functional tools that perform multiple functions simultaneously: positioning, alignment, marking, and guiding. A single jig can provide reference surfaces for multiple components, establish precise spacing relationships, and guide the installation of both door hardware and floor strike. This consolidation of multiple functions into unified tools improves reliability by reducing variability between different installation steps while the tools remain manageable in complexity
Data Source
AI summary
A first installation tool (FIT) for defining the precise location of door hardware on a door that receives a portable locking device (PLD) therein and a second installation tool (SIT) for forming a floor strike at a precise floor location that the PLD interacts with when installed in the door hardware. The FIT includes a pair of adjustable vertically-oriented panels with apertures therein, and a vertically-adjustable base, for releasably securing to the bottom of the door to define and guide a drill to form door apertures for securing the door hardware thereto. The SIT includes a drill, mounted vertically on a base that can be precisely moved horizontally. The SIT includes a coupling assembly that releasably engages with the door apertures. When activated, the drill drills down vertically to remove floor material and is incrementally moved horizontally to forms a precise well in the floor to form the floor strike.