Tiltable Tweezer Surfaces for Depilation Appliance Alignment
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Solution Overview
Problem
Existing depilation appliances with hair-clamping elements suffer from non-optimal hair-clamping performance due to manufacturing tolerances and warpage, leading to compromised alignment of tweezer surfaces, reduced contact pressure, and inefficient hair removal.
Innovation Solution
The head unit of the depilation appliance features hair-clamping elements with tiltable tweezer surfaces, allowing them to automatically align with each other during operation. This is achieved through a design where one tweezer surface is tiltable relative to its support, enabling precise alignment and maximizing the effective clamping area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If flat tweezer surfaces are used in hair-clamping elements, then manufacturing is simplified, but alignment precision deteriorates due to manufacturing tolerances and warpage
Solution Approach 1:
The patent introduces a tilting mechanism that allows the tweezer surface to dynamically adjust its angle during operation. The tweezer surface can tilt relative to the support structure, enabling automatic alignment compensation that resolves the contradiction between simple manufacturing and precise alignment by making the system adaptive rather than static.
Solution Approach 2:
The invention changes the angular parameter of the tweezer surface by introducing a tilting capability. This allows the surface angle to vary during operation, transforming from a fixed geometric parameter to a dynamic one that can compensate for manufacturing variations and maintain optimal alignment.
2Device complexity
If fixed orientation tweezer surfaces are used, then device structure is simplified, but contact pressure decreases due to misalignment
Solution Approach 1:
The tilting mechanism introduces dynamic adjustment capability to the device structure. By allowing the tweezer surface to tilt and align automatically during operation, the system maintains optimal contact pressure without requiring complex pre-alignment or adjustment mechanisms, thus resolving the contradiction between structural simplicity and pressure maintenance.
3Ease of manufacture
If manufacturing tolerances are relaxed for easier production, then production cost decreases, but hair-clamping performance deteriorates
Solution Approach 1:
The tilting mechanism enables the hair-clamping element to self-align during operation. The automatic alignment function allows the system to compensate for manufacturing variations without requiring precision manufacturing or complex adjustment procedures, thus maintaining high performance while allowing relaxed manufacturing tolerances.
Data Source
AI summary
A head unit of a depilation appliance comprises at least one pair (11) of hair-clamping elements (12, 13), wherein the hair-clamping elements (12, 13) have tweezer surfaces (14, 15) which are arranged to face each other, and which are movable towards and away from each other in their entirety so as to be movable into and out of contact to each other. In order to achieve improved hair-clamping performance of the at least one pair (11) of hair-clamping elements (12, 13), the tweezer surfaces (14, 15) are further configured to move into alignment with each other in the process of getting into contact to each other, wherein the entirety of the tweezer surface (14) of one (12) of the hair-clamping elements (12, 13) is tillable relative to a support (17) that is included in the respective hair-clamping element (12).