Percussive Massage Layout for Power in a Pocket-Sized Form
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Solution Overview
Problem
Percussive massage devices are often bulky and difficult to transport, making them inconvenient for use in settings like gyms or travel.
Innovation Solution
A compact percussive massage device design featuring a symmetrical housing with a brushless motor, a reciprocating shaft, and ergonomic shape, allowing for easy portability and efficient massage application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If traditional percussive massage devices are designed with sufficient motor power and battery capacity, then massage effectiveness is improved, but device size and portability deteriorate
Solution Approach 1:
The device is segmented into modular components: a compact brushless motor, a separate battery pack, and a massage head with reciprocating shaft. This segmentation allows each component to be optimized independently for power efficiency and size, resolving the contradiction between massage effectiveness and portability.
Solution Approach 2:
The motor shaft is oriented perpendicular to the reciprocating shaft axis, creating a compact L-shaped arrangement that fits within a small housing volume. This dimensional reorientation allows sufficient motor power in a minimized footprint, addressing both power requirements and size constraints.
2Device complexity
If the motor and battery are positioned asymmetrically in the housing, then component layout is simplified, but weight balance and ergonomics deteriorate
Solution Approach 1:
While the overall housing appears symmetrical, the internal component layout is asymmetrically arranged to optimize space utilization. The motor and battery are positioned at opposite ends of the reciprocation axis, creating a balanced weight distribution that mimics symmetry while allowing asymmetric internal arrangement for simplified assembly and manufacturing.
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 is small enough to fit in a ski jacket or purse, providing effective massage therapy with balanced weight distribution and ease of use.
Implementation Method 1
a brushless motor
Implementation Method 2
a reciprocating shaft operatively connected to the motor and configured to reciprocate in response to activation of the motor
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A percussive massage device that includes a housing that defines a housing interior, a battery, a motor positioned in the housing, a switch for activating the motor, and a reciprocating shaft operatively connected to the motor and configured to reciprocate in response to activation of the motor. The reciprocating shaft includes a distal end that defines a reciprocation axis. The housing includes a first side portion and a second side portion that cooperate to define the housing interior and are defined on opposite sides of the reciprocation axis. The motor is positioned in the first side portion and the battery is positioned in the second side portion.