Fastener Tool Attachments for Precision Cabinet Joint Installation

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Solution Overview

Problem

Existing fastener driving tools lack the precision and flexibility needed to accurately and repeatedly install fasteners in cabinet joints without the risk of fastener blowout, particularly in cabinets with flush-mounted backs where there is no room for mistakes in depth and placement.

Innovation Solution

A pneumatic fastener driving tool with various attachments that include fixed and adjustable guide elements, such as angled surfaces, spring-mounted rollers, and adjustable linear attachments, to ensure precise positioning and penetration of fasteners at specific angles and depths, preventing blowout by maintaining tool stability and allowing for flexible operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If shop fabricated attachments are used for positioning, then customization for specific applications is possible, but manufacturing precision and reliability are insufficient

Engineering Contradiction:
Improvecustomization for specific applicationsVSAvoidfastener placement precision
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The attachment device includes a base portion with a standardized interface that can accommodate multiple different positioning members for various cabinet configurations. The base portion serves universal functions while interchangeable positioning members provide application-specific customization, resolving the contradiction between adaptability and precision.

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

Solution Approach 2:

The attachment device allows dynamic reconfiguration by enabling interchangeability of positioning members based on different cabinet styles and fastening requirements. This dynamic adaptability maintains high precision across multiple applications rather than being fixed for a single use case.

Inventive Principle:
Principle #15Dynamics

2Reliability

If fixed fastener depth is used, then blowout is prevented, but flexibility for different workpiece thicknesses is reduced

Engineering Contradiction:
Improveblowout preventionVSAvoidflexibility for different workpiece thicknesses
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The fastening system allows adjustment of fastener penetration depth through interchangeable positioning members with varying thicknesses. By changing the parameter of positioning member thickness, the system maintains reliable blowout prevention while adapting to different workpiece thicknesses and joint configurations.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The system transitions from a static fixed-depth fastening approach to a dynamic adjustable-depth system. The operator can select and interchange positioning members based on the specific workpiece thickness, enabling the system to adapt its fastening depth parameter while maintaining reliability for each specific application.

Inventive Principle:
Principle #15Dynamics

3Ease of operation

If manual positioning is used, then operation simplicity is maintained, but positioning accuracy and repeatability deteriorate

Engineering Contradiction:
Improveoperation simplicityVSAvoidfastener placement accuracy
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The attachment device serves as an intermediary between the operator and the fastening process. It provides pre-engineered positioning members with precise geometric features that guide fastener placement, eliminating the need for manual measurement and positioning while maintaining operational simplicity through tool-based guidance.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The positioning members are pre-configured with precise geometric features during manufacturing that establish accurate fastener placement locations before the fastening operation begins. This preliminary preparation of positioning geometry ensures repeatable accuracy without requiring complex manual measurement or adjustment during operation.

Inventive Principle:
Principle #10Preliminary action

4Adaptability or versatility

If multiple interchangeable attachments are used, then adaptability to different joints is improved, but device complexity increases

Engineering Contradiction:
Improveadaptability to different jointsVSAvoidattachment system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The attachment system is segmented into a standardized base portion and interchangeable positioning members. This segmentation allows each component to be optimized independently while maintaining simple standardized interfaces, reducing overall system complexity compared to fully integrated custom attachments for each joint type.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The standardized base portion serves as a universal platform that can accommodate multiple different positioning members for various cabinet joints and configurations. This universal interface reduces device complexity by eliminating the need for completely different attachment systems for each application, while still providing high adaptability through the interchangeable positioning members.

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

Data Source

PatentUS8827132B2Fastener driving tool and workpiece positioning attachments
Publication Date: 2014.09.09 ILLINOIS TOOL WORKS INC
  • US8827132B2 patent drawing
  • US8827132B2 patent drawing
  • US8827132B2 patent drawing

AI summary

Attachments for a fastening tool are configured to position the fastening tool raceway for driving a fastener from the tool into a workpiece at a desired location. The attachments include work contact elements including a pair of surfaces for contact with two surfaces of the workpiece to properly position the tool raceway.