Dual-Arm Child Swing Structure for Stable Gliding Motion
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Solution Overview
Problem
Existing child motion devices often cause discomfort due to rolling motion and lack sufficient stability, with frames that may be too large for convenient use in homes.
Innovation Solution
A child motion device with a compact, rigid support frame and a gliding swing mechanism that provides side-to-side gliding motion with minimal rolling, featuring a pivotally mounted child support portion and a frame hub with a motor for controlled gliding, allowing multiple seat orientations and entertainment features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a single arm is pivotally mounted to support the child receiving receptacle, then the device can provide swinging motion, but it introduces significant rolling motion that causes discomfort
Solution Approach 1:
The invention divides the support structure into two separate arms instead of a single arm. Each arm is pivotally mounted to the support frame and works in conjunction with the other to support the child receiving receptacle. This segmentation allows the arms to move in a coordinated manner that produces gliding motion while minimizing rolling motion, thereby resolving the technical contradiction between providing swinging motion and reducing rolling motion discomfort.
2Stability of the object's composition
If the support frame is designed to provide sufficient stability, then the device becomes stable, but the footprint size becomes too large for convenient home use
Solution Approach 1:
The invention employs an asymmetric support frame configuration where the two arms are positioned at different orientations relative to the support frame. The arms are arranged to converge toward a common pivot point, creating an asymmetric geometry that provides stability through a compact footprint. This asymmetric design allows the frame to be stable without requiring a large footprint, resolving the contradiction between frame stability and compact size for home use.
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 reduces discomfort by minimizing rolling motion and provides stable, compact, and versatile motion for children, suitable for various orientations and easy mobility within homes.
Implementation Method 1
a frame hub with a motor for controlled gliding
Implementation Method 2
Two arms are pivotally mounted to the support frame and converge toward a common pivot point
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A child motion device (10) including a support frame (20), a frame hub (50) coupled to the support frame (20), a gliding swing mechanism (70) pivotally mounted to the frame hub (50), and a cantilevered child support portion (120) pivotally mounted to the gliding swing mechanism (70). In example embodiments, the child support portion (120) can be in the form of a child seat (122) or a bassinet (320). In example embodiments, the child support portion (120) can be oriented between multiple seat-facing orientations for providing either of a side-to-side gliding movement or a front-to-back gliding movement.