Retractable Measuring and Cutting Device with Integrated Guide

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Solution Overview

Problem

Cutting drywall and other materials requires extensive measuring and marking, which is time-consuming and inefficient due to the need for precise measurements and cuts from standard-sized boards.

Innovation Solution

A retractable measuring and cutting device with a bistable spring band measuring tool, guide, marking utensil holder, and adjustable blade, allowing for precise cuts without the need for extensive measurement and marking, suitable for various materials and board sizes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If traditional measuring and marking methods are used, then measurement precision can be achieved, but time consumption increases significantly

Engineering Contradiction:
Improvemeasurement precisionVSAvoidtime consumption
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent combines the measuring tool, guide, marking utensil holder, and blade into a single integrated retractable device. This merging eliminates the need to use separate tools for measuring and cutting, allowing workers to perform both functions with one device, thereby reducing time consumption while maintaining measurement precision.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The guide is pre-positioned on the measuring tool at the correct angle and location before use. This preliminary arrangement of the cutting guide eliminates the need for separate marking and alignment steps during the cutting process, allowing workers to directly cut along the pre-established guide line after a single measurement.

Inventive Principle:
Principle #10Preliminary action

2Adaptability or versatility

If multiple separate tools are used for measuring and cutting, then functional versatility is maintained, but device complexity increases

Engineering Contradiction:
Improvefunctional versatilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The retractable device is designed to perform multiple functions including measuring, guiding, marking, and cutting within a single tool. The measuring tool can be used for measurement, the guide for alignment, the marking utensil for marking, and the blade for cutting, making the device universally applicable for complete cutting operations.

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

Solution Approach 2:

The device employs a nested structure where the blade, guide, and marking utensil are all contained within or attached to the retractable measuring tool. The blade can be retracted into the handle, the guide is integrated onto the measuring surface, and the marking utensil is stored within the handle, creating a compact nested arrangement that reduces complexity.

Inventive Principle:
Principle #7Nested doll (Nesting)

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

Enables quick and precise cuts by allowing operators to easily measure and mark materials directly, reducing time and effort required for cutting drywall and other materials.

Implementation Method 1

a bistable spring band measuring tool

Methodology Applied
Scientific EffectElastic deformation: Elasticity

Implementation Method 2

a bistable spring band measuring tool

Methodology Applied
Scientific EffectBistable mechanism: Metastability

Data Source

PatentUS10605580B2Retractable measuring and cutting device
Publication Date: 2020.03.31 WEBB VICTOR S
  • US10605580B2 patent drawing
  • US10605580B2 patent drawing
  • US10605580B2 patent drawing

AI summary

Disclosed are various embodiments for a measuring and cutting device having, for example, a measuring tool disposed between a first handle component and a second handle component. The measuring tool may comprise a flat, non-flexible material having one or more rows of dimensions affixed thereon for performing quick measurements. The first handle is configured to join the second handle to form a uniform body.