Beauty Device Pivoting Arm for Consistent Massage
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Solution Overview
Problem
Conventional beauty devices fail to provide a consistent massage effect in both forward and return paths due to changes in the angle of the rotation axes relative to the skin, leading to inefficient massage experiences.
Innovation Solution
A beauty device with a pivotal arm portion and urging mechanism that allows the rollers to pivot relative to the main body, maintaining a consistent massage effect by adjusting the rotation axis inclination in both directions without significant changes in handle position, utilizing a pivot mechanism and urging mechanism to ensure rollers return to a reference position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the beauty device is moved in a reciprocating manner with fixed handle position, then the structure is simple and easy to operate, but the massage effect is inconsistent between forward and return paths due to rotation axis angle changes
Solution Approach 1:
The arm portion is made movable relative to the handle portion through a pivot mechanism, allowing the rollers to dynamically adjust their position and orientation. This enables the rotation axes to maintain a consistent angle relative to the skin surface during reciprocating motion, resolving the contradiction between simple operation and consistent massage effect.
2Reliability
If the rotation axis angle is adjusted to maintain consistent massage effect, then the massage effect consistency is improved, but the handle position changes significantly requiring complex adjustment mechanisms
Solution Approach 1:
The device is segmented into a fixed handle portion and a movable arm portion with rollers. This segmentation allows the arm portion to independently adjust its position and orientation relative to the handle, maintaining consistent massage effect without requiring the entire device or handle to be complexly adjustable.
3Reliability
If the arm portion is allowed to pivot freely, then the massage effect consistency is improved, but the rollers may drift from the reference position requiring an urging mechanism
Solution Approach 1:
An urging mechanism applies a restoring force to counteract the pivot motion of the arm portion, urging the rollers back toward their reference position. This balances the freedom of movement needed for consistent massage effect with the stability required to prevent drift, adding minimal complexity to achieve both goals.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device provides a desired massage effect in both forward and return paths with minimal handle position adjustment, enhancing user comfort and efficiency by maintaining consistent force application and reducing backlash.
Implementation Method 1
an urging mechanism that urges the arm portion toward a reference position within a range of the pivot movement
Data Source
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AI summary
A beauty device that provides a desired massage effect in a simple and efficient manner is provided. The beauty device (1) includes a main body (2) including a handle portion (21) to be held by a user, an arm portion provided to be pivotal relative to the main body (2), two rollers (3) rotationally held by the arm portion, and an urging mechanism (42) that urges the arm portion toward a reference position within a range of the pivot movement. The beauty device (1) efficiently provides a desired massage effect simply by pressing the two rollers (3) against the skin and moving the rollers to reciprocate without greatly changing the position of the handle portion (21) with respect to the skin in any of advancing directions including the forward path and the return path.