Molded Arrow Assembly with Integrated Threads
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing arrow manufacturing processes are laborious and expensive, relying on hollow tube materials and requiring complex insert/outsert assemblies for engaging arrow tips or broad heads, necessitating a cost-effective solution for arrow assemblies and manufacturing.
Innovation Solution
A molded arrow assembly with an insert/outsert system featuring a cylindrical insert with male threads and a cylindrical outsert with female threads, allowing for easy assembly and weight customization, combined with an injection molding process using a decorative sleeve and moldable composite to create arrows with external threads and improved structural support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional hollow tube arrow shafts with insert/outsert assemblies are used, then arrow tips and broad heads can be engaged, but the manufacturing process becomes laborious and expensive
Solution Approach 1:
The patent combines the arrow shaft body and the threading structure into a single molded unit. The injection molding process creates an integrated shaft with built-in external threads, eliminating the need for separate insert/outsert components that were previously required to engage arrow tips and broad heads.
Solution Approach 2:
The molded arrow shaft serves multiple functions simultaneously: it provides structural support, contains integrated threading for attaching various arrow components, and enables easy customization of tips and broad heads through a universal threading interface, replacing the need for multiple specialized components.
2Adaptability or versatility
If traditional arrow shafts are used, then structural support is provided, but weight customization is difficult and may damage the shaft
Solution Approach 1:
The patent segments the arrow into modular components with standardized threading interfaces. The molded shaft provides a universal mounting interface that allows different weight configurations by simply changing the attached components rather than modifying the shaft itself, preserving shaft integrity while enabling customization.
3Ease of operation
If insert/outsert assemblies are used, then arrow components can be engaged, but the assembly process becomes laborious
Solution Approach 1:
By integrating the threading structure directly into the molded arrow shaft, the patent eliminates the need to assemble separate insert and outsert components. Users can directly attach arrow tips and broad heads to the molded shaft using standard threading, significantly reducing assembly steps and time.
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 solution provides a cost-effective arrow assembly with enhanced structural support, ease of assembly, and the ability to change tip weights and configurations without damaging the arrow shaft, while also simplifying the manufacturing process through injection molding.
Implementation Method 1
an injection molding process using a decorative sleeve and moldable composite to create arrows with external threads
Data Source
AI summary
A molded arrow assembly preferably includes an insert and an outsert for an arrow or an insert/outsert assembly. The molded arrow assembly may include an insert having a cylindrical body with a first end and a second end. The second end may be dimensioned to fit within a bore of an arrow shaft. The first end may terminate in a prong containing male threads. The insert/outsert assembly may also include an outsert having a cylindrical wall with an arrow shaft end and an arrowhead end. The cylindrical wall may also include a center bore extending between the arrow shaft end and the arrowhead end. The center bore may contain a threaded region containing female threads. The threaded region may be located intermediate of the arrowhead end and the arrow shaft end and may extend between a top shoulder and a bottom shoulder.