Universal Oscillating Tool Mounting Interface for Cross-Brand Fit
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Solution Overview
Problem
Oscillating power tools have diverse accessory attachment mechanisms, leading to compatibility issues across different brands, making it difficult to use accessories with various clamping devices.
Innovation Solution
The accessory features a universal mounting interface with a spindle slot and pin openings of irregular profiles, allowing it to be securely attached to a wide range of clamping devices, accommodating different spindle and clamping flange configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If accessories are designed with proprietary mounting interfaces for specific brands, then the attachment mechanism can be optimized for that brand, but the accessory cannot be used with other brands' clamping devices
Solution Approach 1:
The mounting interface is designed with a universal configuration that can accommodate multiple clamping device types. The interface includes a clamping surface with a first surface and a second surface that is non-planar relative to the first surface, creating an irregular profile that can engage with different clamping flange geometries. This universal design allows a single accessory to be compatible with various brand-specific clamping devices without requiring multiple specialized interfaces.
2Adaptability or versatility
If the mounting interface uses simple geometric shapes, then the manufacturing is easier, but the interface cannot accommodate different clamping device configurations
Solution Approach 1:
The mounting interface employs asymmetric geometry where the second surface is non-planar relative to the first surface, creating an irregular profile that is specifically designed to match various clamping device configurations. This asymmetric design provides enhanced adaptability to different brand-specific geometries while remaining manufacturable using standard machining processes. The irregular profile includes varying depths and angles that can engage with different pin arrangements and clamping flange shapes.
3Adaptability or versatility
If the accessory is designed to fit one specific clamping device, then the attachment is secure, but the accessory cannot be used with other oscillating power tools
Solution Approach 1:
The mounting interface is designed with a universal configuration that can accommodate multiple clamping device types. The interface includes a clamping surface with a first surface and a second surface that is non-planar relative to the first surface, creating an irregular profile that can engage with different clamping flange geometries. This universal design allows a single accessory to be compatible with various brand-specific clamping devices without requiring multiple specialized interfaces.
Solution Approach 2:
Different regions of the mounting interface have specialized geometries optimized for specific engagement requirements. The irregular profile of the second surface includes localized features such as varying depths, angles, and contours that can adapt to different pin arrangements and clamping flange shapes. This local variation in geometry allows the interface to maintain secure attachment across multiple device types while preserving overall universal compatibility.
Data Source
AI summary
An accessory for a power tool includes a mounting interface for detachably mounting the accessory to a clamping device of the power tool. The mounting interface is configured to permit the accessory to be used with a wide variety of clamping devices, regardless of manufacturer. The accessory includes a mounting portion having a spindle slot configured to accommodate a drive spindle of the tool and pin openings that are arranged around the spindle slot. The pin openings are configured to receive pins which are arranged around a spindle of an oscillating power tool. The spindle slot includes first linear portion, a second linear portion and a curved portion that is disposed between, and connects, the first linear portion to the second linear portion. The spindle slot is configured to contact the spindle of an oscillating power tool at a first location of the spindle slot.