Back Hair Removal Comb with Embedded Blade
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Solution Overview
Problem
Existing hair removal methods for hard-to-reach areas like the back, shoulders, and arms are painful, cause skin irritation, and require awkward positioning due to the direct use of blades, which are not safe for unseen areas.
Innovation Solution
A hair removal device featuring a comb with a blade embedded between the teeth, allowing the blade to be set off from the lower edge, integrated into a one-piece handle with a lever for secure attachment and easy replacement, enabling hair removal without direct skin contact, reducing pain and irritation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a blade is used directly on the skin for hair removal, then hair can be removed effectively, but skin irritation and pain occur
Solution Approach 1:
The patent introduces an intermediary structure (comb teeth) between the blade and the skin. The blade is embedded in the comb teeth at a distance that prevents direct skin contact, allowing hair removal while eliminating skin irritation and pain associated with direct blade contact.
Solution Approach 2:
The patent segments the blade into multiple discrete cutting edges, each embedded in individual comb teeth. This segmentation allows the cutting action to be distributed across multiple points rather than a single continuous blade contact, reducing skin irritation while maintaining hair removal effectiveness.
2Adaptability or versatility
If a blade is used to reach hard-to-reach areas like back, shoulders and arms, then hair can be removed from these areas, but the process becomes awkward and time-consuming
Solution Approach 1:
The patent extends the blade into a long handle configuration, adding a dimensional element (length) that enables reaching hard-to-reach areas like the back, shoulders, and arms without requiring awkward body positioning or mirror assistance.
3Manufacturing precision
If a blade is used for hair removal, then hair can be cut close to the skin, but cuts and nicks may occur
Solution Approach 1:
The comb teeth serve as an intermediary that maintains a precise distance between the blade and skin surface. This intermediary structure allows the blade to cut hair close to the skin level while preventing direct contact that would cause cuts and nicks.
Solution Approach 2:
The patent changes the critical parameter of blade-to-skin distance by embedding the blade in comb teeth at a specific offset distance. This parameter change enables precise hair cutting while eliminating the harmful effect of direct skin contact.
4Object-affected harmful factors
If a comb with embedded blade is used, then the blade does not touch the skin, but the blade must be kept at a distance from the comb edge
Solution Approach 1:
The patent merges the blade and comb tooth structures into a single integrated unit. The blade is embedded within the comb teeth, combining the cutting function with the spacing function in one unified structure, which simplifies manufacturing while maintaining precise blade positioning.
Data Source
AI summary
A method and apparatus of removing hair from the back, shoulders and arms of a man utilizes a device comprising a comb having teeth on a lower end and a blade embedded in the teeth so that a lower active edge of the blade does not reach a lower edge of the teeth and a s result there is no exposed blade and no skin irritation or safety concerns. A rigid or semi-rigid one-piece elongated handle, a proximal end of the handle having a channel shaped to slidably receive the upper end of the comb, the proximal end also having a lever pressing against the comb to hold the comb securely to the proximal end of the handle, the lever capable of being bent to release the comb. The device has a center of gravity approximately one-third of the way down the handle from the proximal end of the handle.