Tape Measure Attachment for Drywall Cutting and Arc Generation

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Solution Overview

Problem

Existing methods for measuring and cutting drywall are inefficient and unsafe, as they often require users to hold multiple tools and components, leading to inaccurate results and increased risk of injury, and lack the ability to easily generate arcs or circles without increasing production costs or restricting tool dimensions.

Innovation Solution

A tape measure attachment device with a tab and extension member that allows for secure tool placement and easy tool removal, enabling efficient cutting and marking of drywall while allowing the tape measure to be used independently, and includes apertures for inscribing circles and arcs without the need for additional support mechanisms.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a utility knife is permanently coupled to a tape measure, then the user does not need to hold multiple tools, but the tape measure cannot be used independently and the utility knife cannot be easily removed

Engineering Contradiction:
Improveease of useVSAvoidindependent usage capability
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The attachment device is divided into separate components: a tape measure and a utility knife attached via a removable attachment mechanism. This segmentation allows the tape measure to be used independently when the attachment is detached, while providing integrated functionality when attached, thus resolving the contradiction between ease of operation and adaptability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The attachment mechanism is designed to be dynamically changeable - the utility knife can be attached to and detached from the tape measure as needed. This dynamic configuration allows the system to transition between integrated and separate modes of operation, maintaining both ease of use and versatility.

Inventive Principle:
Principle #15Dynamics

2Reliability

If a utility knife is secured to tape measure through nuts, bolts, or other fastening mechanisms, then the connection is secure, but the utility knife must be unfastened following use which is time consuming and may result in loss of components

Engineering Contradiction:
Improveconnection securityVSAvoidtime for assembly and disassembly
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The attachment device is pre-assembled with the utility knife already secured to the tape measure through an integrated mechanism. This preliminary assembly eliminates the need for users to perform time-consuming assembly and disassembly operations, while maintaining secure connection during use. The device is ready for immediate use upon activation.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If a cutter is attached to an end of a tape measure, then cutting functionality is provided, but the blade remains exposed which is hazardous and requires tedious maneuvering for blade removal or change

Engineering Contradiction:
Improvecutting functionalityVSAvoidsafety hazard
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The attachment device acts as an intermediary mechanism between the user and the blade. The utility knife is integrated into the attachment structure, which provides a controlled interface for blade access. This intermediary design allows safe blade handling and removal through the attachment mechanism rather than direct exposure, reducing safety hazards while maintaining cutting functionality.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Adaptability or versatility

If known devices provide ability to generate arcs or circles, then the functionality is enhanced, but production/manufacturing/resale costs increase and/or require permanently installed inscribing mechanisms that limit user dimension selection

Engineering Contradiction:
Improvearc and circle generation capabilityVSAvoidproduction cost
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The attachment device is designed as a universal platform that can perform multiple functions: measuring, cutting, and generating arcs and circles. By integrating these functions into a single removable attachment system, the device achieves enhanced versatility without requiring permanently installed mechanisms or specialized high-cost components for each function, thus controlling manufacturing costs while maintaining adaptability.

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

Data Source

PatentUS9410785B1Tape measure device and attachment for measuring and cutting drywall
Publication Date: 2016.08.09 DRYWALL DEVIL LLC
  • US9410785B1 patent drawing
  • US9410785B1 patent drawing
  • US9410785B1 patent drawing

AI summary

A tape measure attachment device having a securing portion shaped to receive a portion of a tape member of a tape measure, an extension member coupled to the securing portion to form a joint and disposed at a substantially perpendicular orientation to the securing portion, the extension member having an outer face, and having a tab coupled to the extension member and having an upper face defining at least one aperture, a first position along a tab translation path with the tab disposed at a substantially perpendicular orientation to the extension member and extending in a direction away from the outer face of the extension member, and a second position along a tab translation path with the tab disposed at a substantially parallel orientation to the extension member.