Clipper Attachment Locking Structure for Stable Cutting Height
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Solution Overview
Problem
Conventional slidable attachments for cutting devices, such as electric hair clippers, can unintentionally slide during use, leading to variations in the selected cutting height, resulting in inconsistent hair lengths.
Innovation Solution
An attachment for a cutting device featuring a base with a comb part and sandwiching walls, equipped with engagement parts that allow selective engagement without changing the blade's projection direction, ensuring reliable maintenance of the selected cutting height.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a slidable attachment is used to change cutting height, then the cutting height can be adjusted, but the attachment may slide unintentionally during use
Solution Approach 1:
The attachment is divided into multiple support portions positioned at different locations along the blade. Each support portion corresponds to a specific cutting height setting. By segmenting the attachment this way, the user can select a fixed support portion for stable cutting at a predetermined height, avoiding unintentional sliding while maintaining height adjustment capability through selection of different support portions.
Solution Approach 2:
The attachment transitions from a continuously slidable design to a dynamic selection system where the user actively chooses a specific support portion to engage with the blade. This dynamic interaction ensures that once a support portion is selected, it maintains a fixed, reliable position during cutting operations, preventing unintentional sliding while allowing height changes through deliberate user action.
2Adaptability or versatility
If the attachment is made slidable for height adjustment, then cutting height can be changed, but the cutting height varies when hair is cut
Solution Approach 1:
The attachment surface is segmented into multiple discrete support portions, each positioned at a predetermined distance from the blade tip. This segmentation ensures that when a specific support portion is selected and engaged, it maintains a consistent, fixed distance from the blade, guaranteeing uniform cutting height and eliminating variations in cut length.
Solution Approach 2:
The support portions are pre-positioned at predetermined distances from the blade during attachment manufacturing. This preliminary positioning ensures that when the attachment is used, the cutting height is already determined and fixed by the pre-set support portion locations, eliminating any variability in cutting height during the actual hair cutting operation.
3Adaptability or versatility
If support portions are provided at multiple positions, then cutting height can be selected, but the attachment structure becomes more complex
Solution Approach 1:
Multiple support portions are integrated into a single attachment component rather than being separate elements. This merging approach allows the attachment to provide multiple cutting height settings while maintaining a simple, unified structure that is easy to manufacture and use, avoiding the complexity of multiple separate mechanisms.
Solution Approach 2:
The attachment is designed as a universal component that performs multiple functions: it provides structural support, enables height adjustment through different support portions, and maintains stable positioning during cutting. This multi-functionality reduces the need for additional separate components, simplifying the overall attachment structure while achieving versatile cutting height control.
Data Source
AI summary
The present disclosure provides an attachment for a cutting device with which the cutting height can be changed selectively and with which variation in the cutting height can be suppressed more reliably when hair is cut so as to achieve a selected cutting height. The present disclosure also provides a cutting device to which such an attachment is attached. The attachment according to the present disclosure includes a base, a comb part, and a pair of sandwiching walls. The pair of sandwiching walls are provided with a plurality of engagement parts that releasably engage with an engaged part formed on the cutting device by relatively moving in the first direction in a state of being separated from each other in the second direction. The attachment includes a selective engagement group including the plurality of engagement parts that include a first engagement part and a second engagement part. The engaged part is engaged with either the first engagement part or the second engagement part under a requirement that the attachment is attached to the cutting device without changing a direction in which the blade part projects with respect to the attachment. A distance from a skin contact surface to the blade part in a state where the engaged part is engaged with the first engagement part is different from a distance from the skin contact surface to the blade part in a state where the engaged part is engaged with the second engagement part.