Puppet Facial Control via Ball Brace Rod Mechanism
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Solution Overview
Problem
Current methods for animating facial movements in puppets, such as claymation and 3D printing, are either costly, time-consuming, or fail to replicate a natural and organic appearance, lacking flexibility and adaptability to different puppet sizes and shapes.
Innovation Solution
A mechanical apparatus using moveable positioning rods with rotational, twist, and slide movement, secured by balls and ball braces, which can be locked in place using a tension screw, allowing for precise control and customization of facial expressions and movements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If claymation is used for facial movement, then cost is reduced and speed is improved, but appearance quality deteriorates due to fingerprints and tool impressions
Solution Approach 1:
The patent replaces the mechanical clay-molding system with a mechanical rod-and-ball positioning system that physically manipulates the puppet's facial features. This substitution allows for precise control of facial expressions through mechanical means rather than manual clay shaping, eliminating fingerprints and tool impressions while maintaining cost-effectiveness.
2Manufacturing precision
If 3D printing is used for facial replacement, then manufacturing precision is improved, but cost increases and productivity decreases
Solution Approach 1:
The patent implements a dynamic rod-and-ball mechanism that allows the puppet's facial features to be moved and repositioned manually for each frame. This dynamic system replaces the static 3D-printed facial replacements, enabling rapid adjustment of expressions without the time-consuming process of creating and swapping multiple printed faces, thus improving productivity while maintaining precision.
3Manufacturing precision
If 3D printing is used for facial replacement, then manufacturing precision is improved, but adaptability deteriorates
Solution Approach 1:
The patent designs a universal rod-and-ball mechanism that can be adapted to different puppet sizes and shapes. The system uses standardized rods, balls, and braces that can be configured for various facial features and puppet types, providing multi-functionality and adaptability without requiring custom 3D-printed components for each puppet, thus maintaining precision while improving versatility.
4Adaptability or versatility
If a mechanical rod and ball system is used, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent divides the facial control system into segmented, modular components: individual rods for different facial features, separate ball joints for rotation and positioning, and discrete braces for support. This segmentation allows each component to be simple and easy to manufacture, while the combination provides complex adaptability. The modular design reduces overall system complexity compared to a monolithic mechanism.
Data Source
AI summary
An apparatus for controlling a puppet to obtain a desired position or expression, with a mounting plate having a plurality of rod apertures. A plurality of ball braces are secured to the mounting plate, each having a pair of ball apertures. A plurality of balls and rods are provided. Each ball is positioned between one of the ball apertures and rod apertures. Each rod extending through one of the balls and through one of the ball apertures and one of the rod apertures. Each rod contacting an action point on a puppet for manipulating the puppet through rotating and twisting of the ball, and longitudinal movement of the rod. The ball braces may be locked and unlocked, such that when locked, the associated ball and rod are held in position to maintain a facial expression at the action point.