Programmable Handle Buttons for Seamless Sewing Mode Switching

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Solution Overview

Problem

Existing quilting machines require users to manually stop and switch between stitching modes, which can be inconvenient and difficult to set up correctly, especially when transitioning between Regulated and Constant modes.

Innovation Solution

A quilting machine with a control interface featuring programmable buttons on a handle that allows users to switch between stitching modes (Constant, Basting, or Regulated) while the machine is running, enabling immediate mode changes without stopping the operation, with settings that can be pre-defined by the user or set to factory defaults.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If users manually stop the machine to switch between stitching modes, then mode switching can be performed, but operational efficiency decreases and time is lost

Engineering Contradiction:
Improvemode switching convenienceVSAvoidoperational efficiency
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The mode selection is prepared in advance through programmable buttons that are pre-configured with specific stitching modes. When a button is pressed, the corresponding mode is immediately activated without requiring manual intervention or machine stopping, thus resolving the contradiction between ease of operation and productivity

Inventive Principle:
Principle #10Preliminary action

2Extent of automation

If Coast Regulate mode automatically switches between Regulated and Constant modes based on motor speed threshold, then mode switching is automated, but setup complexity increases due to difficult threshold configuration

Engineering Contradiction:
Improveautomatic mode switchingVSAvoidthreshold setting complexity
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The system automatically detects the user's stitching intent through motor speed monitoring and autonomously switches between stitching modes without requiring user configuration of thresholds. The machine serves itself by using its own operational parameters (motor speed) to trigger mode changes, eliminating the complex threshold setup while maintaining automation

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system continuously monitors motor speed as feedback and uses this information to automatically determine when to switch between Regulated and Constant modes. This closed-loop feedback mechanism eliminates the need for manual threshold configuration while maintaining automated mode switching

Inventive Principle:
Principle #23Feedback

3Adaptability or versatility

If multiple stitching modes are available, then operational versatility improves, but control interface complexity increases

Engineering Contradiction:
Improvestitching mode varietyVSAvoidcontrol interface complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

Programmable buttons serve multiple functions: they can be configured to represent different stitching modes (Regulated, Constant, Basting), different speeds, or combinations thereof. This multi-functionality allows the same physical interface to provide access to multiple stitching modes without increasing interface complexity, resolving the contradiction between versatility and complexity

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP3134569B1Stitching mode regulator and method for switching modes of a sewing machine
Publication Date: 2019.07.24 GAMMILL
  • EP3134569B1 patent drawingFigure 1
  • EP3134569B1 patent drawingFigure 2
  • EP3134569B1 patent drawingFigure 3

AI summary

The present invention relates to a method of operating a quilting or sewing machine. In the method, an operator may switch the modes in which the sewing machine is operating. The modes may be switched when the sewing machine is in operation or when the machine is stopped. The modes to which the sewing machine may be switched to and from may be preset modes as defined by an operator. The modes that may be switched to and from may include settings for stitch mode and stitch speed. The buttons may be physical buttons associated with the sewing machine's handles, or they may be digital buttons associated with a tablet device.