Manual Stitch Guide Plates with Aligned Holes for Even Sewing
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Solution Overview
Problem
There is a need for a simple, affordable, and effective tool that can assist individuals in creating consistent, evenly spaced stitches by hand, particularly for those with minimal sewing skills or without access to a sewing machine, to facilitate quick repairs or alterations such as hemming clothing.
Innovation Solution
A stitch guide tool comprising two opposing plates with aligned holes and slots, allowing a sewing needle and thread to pass through vertically and horizontally aligned holes to create a straight stitch pattern, with one plate having a hinge to maintain alignment and adjustable cartridges for varying stitch width.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a sewing machine is used to create consistent stitches, then manufacturing precision is improved, but device complexity and cost increase
Solution Approach 1:
The patent introduces a guide tool as an intermediary device between the needle and the fabric. This guide tool features slots and holes that align to provide a reference path for the needle, ensuring consistent stitch spacing without requiring a complex sewing machine. The guide tool acts as a mediator that translates the user's simple hand movements into precise, evenly spaced stitches.
Solution Approach 2:
The guide tool is designed as a simple, inexpensive, and portable device that can be easily manufactured and discarded or replaced if needed. It consists of basic components like plates, slots, and holes cut from material, making it a cost-effective alternative to expensive sewing machines while achieving the desired stitch consistency for basic hemming tasks.
2Manufacturing precision
If a sewing machine is used to create consistent stitches, then manufacturing precision is improved, but cost increases
Solution Approach 1:
The guide tool is designed as a simple, inexpensive, and portable device that can be easily manufactured and discarded or replaced if needed. It consists of basic components like plates, slots, and holes cut from material, making it a cost-effective alternative to expensive sewing machines while achieving the desired stitch consistency for basic hemming tasks.
Solution Approach 2:
The guide tool is designed to be self-aligning through its slot and hole configuration. Once positioned on the fabric, the tool automatically guides the needle to create evenly spaced stitches without requiring complex mechanisms or expensive components. The simplicity of the design reduces manufacturing costs while maintaining functionality.
3Device complexity
If hand sewing is performed without a guide tool, then device complexity is reduced, but manufacturing precision deteriorates
Solution Approach 1:
The patent introduces a guide tool as an intermediary device between the needle and the fabric. This guide tool features slots and holes that align to provide a reference path for the needle, ensuring consistent stitch spacing without requiring a complex sewing machine. The guide tool acts as a mediator that translates the user's simple hand movements into precise, evenly spaced stitches.
4Ease of operation
If iron-on tape is used to create a hem, then ease of operation is improved, but reliability deteriorates
Solution Approach 1:
The guide tool is designed to be self-aligning through its slot and hole configuration. Once positioned on the fabric, the tool automatically guides the needle to create evenly spaced stitches without requiring complex mechanisms or expensive components. The simplicity of the design reduces manufacturing costs while maintaining functionality.
Data Source
AI summary
A stitch guide tool and a method of using the tool to manually sew a stitch are provided. The tool has two opposing plates that can be brought together with a piece of fabric to be stitched being positioned between the two plates. Each plate has a series of holes extending through the plate, and the holes in each plate align with each other so that a sewing needle can be passed through a pair of holes and the fabric positioned between the holes. Each series of holes is connected by a slot so that the thread can pass between adjacent holes through the slot. The needle can be passed back and forth through adjacent sets of holes consecutively to create a straight stitch in the fabric. The thread can be pulled through portions of the slot between holes to tighten the thread to the fabric to create the stitch.