Modular Fastener Tool and Bracket for Variable Nail Lengths
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Solution Overview
Problem
Existing explosively driven fastener systems require a large inventory of power charge/nail/bracket combinations due to variability in applications, leading to high inventory costs and significant waste when malfunctions or misfires occur, as entire assemblies are typically scrapped.
Innovation Solution
A modular tool system that allows for adjustable nail lengths and interchangeable bracket configurations, featuring a metal bracket with a bulge and protuberance for secure attachment, a firing pin assembly with safety features, and a rubber spall shield with a magnet for improved usability and safety, enabling the reuse of components and reducing waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a large inventory of power charge/nail/bracket combinations is maintained to accommodate different applications, then adaptability is improved, but inventory costs and device complexity increase
Solution Approach 1:
The system divides the fastener assembly into separate modular components: power charges, nails of various lengths, and brackets of different configurations. Each component can be independently selected and combined based on application requirements, eliminating the need to maintain complete pre-assembled kits for every variation.
Solution Approach 2:
The tool and bracket designs are created to be universally compatible with multiple types of power charges, nails, and bracket configurations. This multi-functionality allows a single tool system to handle diverse fastening applications without requiring separate specialized tools for each application type.
2Reliability
If entire power charge/nail/bracket assemblies are scrapped due to misfire or malfunction, then reliability is maintained, but loss of substance increases
Solution Approach 1:
The modular design enables selective discarding of only the failed component (power charge, nail, or bracket) while recovering and reusing the other components. This approach maintains system reliability by replacing only what is necessary while significantly reducing material waste compared to scrapping entire assemblies.
Solution Approach 2:
By segmenting the fastener system into separate replaceable components, the patent enables targeted replacement of malfunctioning parts. The separable design allows the bracket and tool to be reused after a power charge failure, or the power charge to be replaced while keeping the bracket and nail, thereby minimizing waste.
3Device complexity
If fixed nail length and bracket configuration are used in the tool, then device complexity is reduced, but adaptability worsens
Solution Approach 1:
The tool incorporates adjustable features that allow dynamic reconfiguration for different nail lengths and bracket configurations. The adjustable anvil and accommodating chamber design enable the tool to adapt its internal geometry to match different fastener requirements, providing versatility without requiring multiple specialized tools.
Solution Approach 2:
The tool is designed with universal accommodating features including an adjustable anvil position and a chamber that can accommodate various bracket configurations. This multi-functional design allows a single tool to perform multiple fastening operations with different parameters, eliminating the need for multiple fixed-configuration tools.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The modular system significantly reduces inventory costs by accommodating different nail lengths and bracket configurations, allows for safe unloading and malfunction clearance, and minimizes waste by enabling the salvage of components, enhancing operational efficiency and safety.
Implementation Method 1
The firing spring is arranged to bias the firing pin plunger out of the receiver
Implementation Method 2
the firing pin strikes the explosive load causing the explosive load to explode and drive the nail out of the muzzle assembly
Implementation Method 3
a rubber spall shield with a magnet for improved usability and safety
Data Source
AI summary
A bracket for attachment to an overhead substrate to carry a suspending wire or rod is formed from metal plate or strap stock having a bend connecting a first generally rectangular section of the stock with a second generally rectangular section of the stock. The first generally rectangular section of stock has a dimple formed on one side of the stock with a corresponding bulge protruding from the other side. The bulge protrudes alongside the second generally rectangular section of stock. The bulge has a base and an apex, a generally conical outside surface adjacent to the first generally rectangular section of stock and a through aperture at the apex. The bracket is applied with a tool that can be provided with a washer system to accommodate different fastener lengths and a safety to deactivate the triggering mechanism.