Oscillating Tool Accessory Interface for Cross-Brand Attachment
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Solution Overview
Problem
Oscillating power tools have proprietary accessory attachment mechanisms, making it difficult to use accessories across different brands without separate tools or adapters.
Innovation Solution
Designing an accessory with a working end portion and an attachment portion featuring a U-shaped opening and radial openings arranged at specific angles, allowing it to be coupled to various oscillating power tool attachment mechanisms, including those with star-shaped and polygonal configurations, for universal compatibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If proprietary accessory attachment mechanisms are used for each brand, then each brand can optimize its attachment mechanism for its specific tool design, but users cannot use accessories across different brands without separate tools or adapters
Solution Approach 1:
The accessory attachment mechanism is designed with a universal interface that can accommodate multiple different brand-specific attachment mechanisms. The attachment portion includes a polygonal outer shape with multiple sides that can engage with corresponding polygonal inner shapes of different brands, allowing a single accessory to be used across multiple tool brands without requiring separate attachment mechanisms for each brand.
2Adaptability or versatility
If a universal attachment mechanism is designed to fit multiple brands, then accessory compatibility improves, but the attachment mechanism becomes more complex
Solution Approach 1:
The attachment mechanism is segmented into distinct functional elements: a polygonal outer shape with multiple sides, each side configured to engage with a corresponding brand's attachment interface. The attachment portion includes a body with a polygonal outer perimeter and multiple engagement features distributed around its circumference, allowing selective engagement with different brand interfaces without requiring a completely different mechanism for each brand.
3Reliability
If brand-specific attachment mechanisms are used, then each mechanism can be optimized for its specific application, but users need multiple accessories for different brands
Solution Approach 1:
The accessory is designed with a universal attachment interface that maintains reliable attachment retention across multiple different tool brands. The attachment portion includes a polygonal outer shape with multiple sides that can engage with corresponding interfaces, ensuring secure attachment while allowing the same accessory to be used with tools from different manufacturers, thereby reducing the total number of accessories users need to own.
Data Source
AI summary
An accessory for coupling to an oscillating power tool includes a working end portion extending along a working axis and an attachment portion coupled to the working end portion including a top wall, a bottom wall spaced apart from the top wall, and a peripheral wall extending from the top wall to the bottom wall at least partially around the top wall to form a portion of a polygonal shape. A generally U-shaped opening defined in the top wall extends along an attachment axis at an obtuse angle to the working axis and is open to a gap in the peripheral wall. A plurality of radial openings is defined in the top wall between the U-shaped opening and the peripheral wall. The attachment portion is configured to couple the attachment portion to at least two differently configured oscillating power tools.