Crimping Tool with Serrated Jaws for Beadwork
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Solution Overview
Problem
Modern crimping devices for beadwork lack tolerance for craftsmanship errors, often resulting in a non-secure finish and require a second step for crimping, which is time-consuming and inefficient.
Innovation Solution
A modified crimping tool that combines shear and crimping functions in a single tool, featuring multiple crimping positions and serrated surfaces to securely lock beading wire ends, eliminating the need for a second crimping step and accommodating various sleeve sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional crimping devices are used with two steps, then secure hold is achieved, but time consumption increases and complexity increases
Solution Approach 1:
The patent combines two separate crimping steps into a single integrated crimping action. The crimping device includes a first jaw with a recess and a second jaw with a protrusion that work together in one motion to flatten the crimping sleeve against the wire ends, eliminating the need for a second crimping step while maintaining secure hold.
Solution Approach 2:
The crimping device is designed with multiple crimping positions that can accommodate different sleeve sizes in a single tool. The jaws can be positioned at different locations along their length to match various crimping sleeve dimensions, making the tool versatile for different beading wire sizes without requiring multiple specialized tools.
2Reliability
If traditional crimping devices are used with two steps, then secure hold is achieved, but device complexity increases
Solution Approach 1:
The patent merges two crimping operations into a single device action. The first jaw with its recess and the second jaw with its protrusion are designed to work together in one crimping motion, reducing the number of steps and simplifying the overall device operation while achieving the same secure hold result.
3Ease of operation
If traditional crimping devices are used, then crimping function is provided, but tolerance for craftsmanship error is low
Solution Approach 1:
The crimping device features localized geometric features on the jaws - specifically a recess on the first jaw and a protrusion on the second jaw - that create a controlled crimping action. These local geometric modifications provide tolerance for craftsmanship errors by accommodating slight variations in sleeve positioning while still achieving a secure crimped hold.
4Adaptability or versatility
If multiple crimping positions are provided, then adaptability increases, but device complexity increases
Solution Approach 1:
The crimping device achieves multi-functionality by providing multiple crimping positions along the jaws that can accommodate different sleeve sizes. The first jaw with its recess and the second jaw with its protrusion can be positioned at different locations to match various crimping sleeve dimensions, allowing a single tool to handle multiple wire sizes without requiring multiple specialized 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 tool provides a secure and efficient finish to beadwork, tolerating a wide range of craftsmanship errors while simplifying the process and reducing time, ensuring a firmly secured end without the need for additional steps.
Implementation Method 1
The protruding boss further has a serrated surface. The serrated surface comprises a parallel series of alternating teeth and grooves. The parallel series is perpendicular to the long dimension of the second jaw, such that upon deployment of a wire-threaded beading sleeve between the jaws of the crossed members, a crimp is formed that disrupts and prevents any direct line of force being applied to the wires across the length of the crimping sleeve.
Data Source
AI summary
The present invention relates to crimpers and shears used in the jewelry making industry. The invention includes a new and improved set of tools for crimping multiple sleeve sizes used in the making of necklaces, bracelets, and the like. One embodiment provides a single tool that is operable for crimping bead sleeves of one or more sizes. Another embodiment combines both crimping and shearing functions in a single tool.