Multi-function Package Opener with Offset Scissor Blades
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Solution Overview
Problem
Conventional tools like scissors and knives are not designed to safely and effectively open durable plastic containers and often require additional tools for removing fasteners, cutting tape, or opening electronic components, leading to inconvenience and safety risks.
Innovation Solution
A multi-function package opener with offset scissor blades and a pivot joint that can cut around package lips, combined with a miniature utility knife and screwdriver, allowing for safe and efficient opening of various packaging types and components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional scissors or knives are used to open plastic clam shells or heat-sealed blister packs, then the package can be opened, but the tool is not specifically designed for such uses and fails to provide a suitable and safe way to open the packaging
Solution Approach 1:
The package opener is designed with multiple functions including cutting elements for opening plastic clam shells and blister packs, a screwdriver for removing twist-on fasteners and opening battery compartments, and a miniature utility knife blade for slicing tape and cardboard. This multi-functional design allows a single tool to handle various packaging types and opening tasks that previously required multiple different tools, thereby improving both safety and suitability.
2Adaptability or versatility
If conventional tools are used to open packages, then opening is possible, but additional tools are required for removing fasteners, cutting tape, or opening electronic components
Solution Approach 1:
The invention merges multiple previously separate tools into a single integrated package opener. The cutting elements, screwdriver, and miniature utility knife blade are all combined in one tool, eliminating the need to search for and switch between multiple different tools for various opening tasks. This reduces device complexity by consolidating functionality while maintaining adaptability across different packaging types.
3Ease of operation
If offset blades with a gap are used, then the cutting elements can fit over package lips to cut around the interior perimeter, but the design becomes more complex
Solution Approach 1:
The cutting elements feature a specific local geometric configuration with offset blades and a gap between them. This local quality modification allows the cutting elements to fit over the package lip of blister-type packages and cut around the interior perimeter effectively. The offset design with leg portions at specific angles creates the necessary gap without requiring complete redesign of the entire tool structure.
Data Source
AI summary
A package opener (10) includes first and second opposed elongate members joined together for scissor action about a pivot joint (16). The first member (12) includes a first handle grip (18) at a rear end and a first cutting element (20) having a first blade (26) at a front end. The second member (13) includes a second handle grip (19) at a rear end and a second cutting element (21) having a second blade (27) at a front end thereof. The cutting elements include a leg portion (40,41) positioned between an arm segment (30,31) on which the pivot joint is located and the blade. Each cutting element also has a gap (G) in the blade portion. The leg portions and the gap enable the cutting elements, when opened, to fit over a package lip of a blister-type package so that the package opener can cut around the interior perimeter of the package lip to open the package. The multi-function package opener may also have a miniature utility knife blade (50) and at least one screwdriver (60).