Cutting Device Packaging Form-Fit Security

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Solution Overview

Problem

Existing packaging for cutting devices like secateurs does not allow users to test the ergonomics of the device in the packaged state without removing the packaging or making structural modifications, limiting the ability to assess whether the device fits personal needs.

Innovation Solution

A packaging design that uses a form-fit connection between a cap-shaped cover member and a base member, allowing access to the handles while securing the device, without additional securing means that engage the cutting device directly, enabling users to test ergonomics without structural modifications.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If additional securing means are used to secure the cutting device in the packaging, then the device is firmly retained for safety and theft protection, but the handles become inaccessible for manual engagement

Engineering Contradiction:
Improvesecurity of packaged deviceVSAvoidaccessibility of handles
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The packaging is divided into two functional zones: a first region with a form-fit connection that secures the cutting device body, and a second region that leaves the handles accessible. This segmentation allows different parts of the packaging to serve different purposes - security versus accessibility - resolving the contradiction between firm retention and handle accessibility.

Inventive Principle:
Principle #1Segmentation

2Object-affected harmful factors

If the cover member covers the cutting blades, then protection against injuries is provided, but access to the handles is blocked

Engineering Contradiction:
Improveprotection against injuriesVSAvoidaccessibility of handles
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The cover member is designed with differential coverage: it provides full coverage and protection over the cutting blades in the first region, while intentionally leaving the second region uncovered to allow manual access to the handles. This local differentiation of coverage quality resolves the contradiction between injury protection and handle accessibility.

Inventive Principle:
Principle #3Local quality

3Reliability

If structural modifications are made to the cutting device to enable packaging security, then the device can be firmly secured, but the device complexity increases

Engineering Contradiction:
Improvesecurity of packaged deviceVSAvoidstructural modifications required
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The security function is extracted from the cutting device itself and transferred to the packaging system. Instead of modifying the cutting device with additional securing structures, the packaging's form-fit connection provides the security function. This extraction eliminates the need for structural modifications to the cutting device, resolving the contradiction between security and device complexity.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentEP3288729B1Packaged cutting device
Publication Date: 2019.06.26 HUSQVARNA AB
  • EP3288729B1 patent drawingFigure 1
  • EP3288729B1 patent drawingFigure 2~3
  • EP3288729B1 patent drawingFigure 4

AI summary

The invention relates to a packaging (2) for a manually operated cutting device (1) comprising a pair of cutting blades (12, 13) pivotably secured to each other at a pivot joint (14), the cutting blades (12, 13) being coupled to handles (10, 11) for manual operation of the cutting device (1). The packaging (2) comprises a base member (3) defining a plane and a cover member (4) shaped as cap. The cover member (4) is secured to the base member (3) in a packaged state, wherein, in said packaged state, the cover member (4) at least partially covers at least one of the cutting blades (12, 13) but does not substantially cover the handles (10, 11). The handles (10, 11) are accessible for manual engagement in the packaged state. According to the invention, the cutting device (1) is secured in the packaged state exclusively by means of the cover member (4) engaging the base member (3) in a form fit connection. The invention also relates to a cutting device (1) that is packaged in a packaging of the afore-mentioned type.