Tri-motion Tactile Device Eccentric Coupling Motor Protection
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Solution Overview
Problem
Conventional sexual and massage devices primarily provide random radial impulses, failing to effectively stimulate the diverse sensory receptors in human genitalia, which require a range of mechanical and pressure stimuli for optimal pleasure and massage.
Innovation Solution
A portable device that combines radial vibration, orbital motion, and torsional oscillation, utilizing an eccentric coupling and flexible covering to generate varied and controlled stimulation, with programmable speed and direction control, allowing for enhanced tactile stimulation and massage capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional devices use simple unbalanced weight driven by motor, then device complexity is reduced and manufacturing is simplified, but the stimulation effectiveness is insufficient as it only provides random radial impulses that fail to activate diverse sensory receptors
Solution Approach 1:
The stimulator is divided into multiple independent motion components: radial vibration mechanism, orbital motion mechanism, and torsional oscillation mechanism. Each component generates a specific type of motion that targets different sensory receptors, allowing the device to provide diverse stimulation patterns while maintaining manageable complexity through modular design
Solution Approach 2:
The patent combines multiple motion mechanisms (radial vibration, orbital motion, torsional oscillation) into a single integrated stimulator assembly that translates rotational energy from one motor into three distinct motion types. This merging allows the device to achieve comprehensive stimulation effectiveness without requiring multiple separate devices
2Device complexity
If devices provide only radial vibration, then device complexity is minimized, but the stimulation variety is insufficient to maximally activate different types of sensory receptors with different adaptation times
Solution Approach 1:
The stimulator employs dynamic motion patterns with variable frequencies, amplitudes, and motion types (radial, orbital, torsional). The system can adjust and vary the stimulation parameters over time to match the different adaptation times of various sensory receptors, preventing adaptation and maintaining effective stimulation
Solution Approach 2:
The patent adds multiple dimensions of motion beyond simple radial vibration by incorporating orbital motion (circular path) and torsional oscillation (rotational twisting). These additional motion dimensions enable the device to stimulate different receptor types that respond to varied mechanical deformations, enhancing stimulation versatility
3Reliability
If the stimulator section is distal to the motor with weight supported by bearings, then the motor is protected from radial loads, but larger amplitude percussive or mechanical slip motions cannot be directly created to activate specialized sensory receptors
Solution Approach 1:
The patent introduces an intermediary mechanism (eccentric coupling or offset crank mechanism) between the motor and the stimulator weight. This intermediary translates the motor's rotational motion into larger amplitude orbital and percussive motions while the motor remains protected from direct radial loads, as the intermediary absorbs and transforms the mechanical stresses
Solution Approach 2:
The system uses a counterbalanced mechanism where the eccentric weight creates orbital motion that generates both the desired stimulation forces and reactive loads. The bearing-supported structure manages these counteracting forces, allowing large amplitude motions to be created while protecting the motor from excessive radial loads through proper mechanical distribution
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 superior tactile stimulation by activating a range of sensory receptors, including mechano-receptors, through controlled radial vibration, orbital motion, and torsional oscillation, improving user experience and satisfaction.
Implementation Method 1
a stimulator including an eccentric coupling connecting the output shaft and the stimulator; wherein the stimulator is for directly translating rotational energy into orbital motion
Implementation Method 2
an element affixed to the distal end of the second shaft with an outside surface fitted within the stimulator to prevent the stimulator and flexible covering from continuous winding with the second shaft and to free the stimulator to allow torsional oscillation
Data Source
Figure 1
Figure 2
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AI summary
A portable device for use in the application of simultaneous radial vibration, orbital motion and rotational or torsional oscillation to a person. The device includes: (1) a power unit for housing a power source to supply power to the apparatus; (2) a motor having an output shaft positioned within the power unit; (3) a stimulator for directly translating rotational energy into orbital motion, creating rotational or torsional oscillation, and producing random radial vibration; and (4) a flexible covering surrounding the device.