Clipper Attachment Engagement 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 length.
Innovation Solution
An attachment for a cutting device featuring a base with a comb part and sandwiching walls, equipped with engagement parts that engage with the cutting device in a specific direction, ensuring the attachment remains stable and maintains the selected cutting height by preventing unintended movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a slidable attachment is used to adjust cutting height, then the cutting height can be changed selectively, but the attachment may slide unintentionally during use, causing variation in cutting height
Solution Approach 1:
The attachment is divided into multiple engagement parts (first engagement part, second engagement part, etc.) that can selectively engage with different positions on the cutting device. This segmentation allows the attachment to be fixed at multiple discrete locations, providing cutting height adjustment while preventing unintended sliding between positions.
Solution Approach 2:
The attachment transitions from a continuously slidable design to a selectively engageable design where the attachment can be positioned at multiple discrete locations along the cutting device. This dynamic change allows the attachment to maintain stability at selected positions while still providing adjustability.
2Ease of operation
If the attachment is designed to slide for height adjustment, then cutting height can be modified, but the attachment cannot maintain a fixed position, leading to inconsistent hair length
Solution Approach 1:
The continuous sliding motion is segmented into discrete engagement positions. The attachment can be easily adjusted to different heights by engaging at different positions, while each position provides precise, consistent cutting height without unintended movement.
Solution Approach 2:
The engagement parts act as intermediaries between the attachment and the cutting device, providing fixed connection points that ensure precise positioning. These engagement parts mediate the connection to prevent unintended sliding while maintaining ease of adjustment.
Data Source
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Figure 2
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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 (3) according to the present disclosure includes a base, a comb part (40), and a pair of sandwiching walls (70). The pair of sandwiching walls (70) are provided with a plurality of engagement parts (74) that releasably engage with an engaged part (22111) formed on the cutting device (1) by relatively moving in the first direction in a state of being separated from each other in the second direction. The attachment (3) includes a selective engagement group (75) including the plurality of engagement parts (74) that include a first engagement part (741) and a second engagement part (742). The engaged part (75) is engaged with either the first engagement part (741) or the second engagement part (742) under a requirement that the attachment (3) is attached to the cutting device (1) without changing a direction in which the blade part (45) projects with respect to the attachment (3). A distance from a skin contact surface (42) to the blade part (45) in a state where the engaged part (75) is engaged with the first engagement part (741) is different from a distance from the skin contact surface (42) to the blade part (45) in a state where the engaged part (75) is engaged with the second engagement part (742).