Motorized Cat Toy Erratic Motion and Stability Design
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Solution Overview
Problem
Existing cat toys fail to maintain a cat's attention for long periods, lack adjustable speed control, and are often cumbersome or hazardous, with most not moving erratically under a flexible cover, which are appealing features to cats.
Innovation Solution
A motorized cat toy with a circular housing, a resilient mouse wand, and a flexible cover that moves randomly in 360 degrees, featuring adjustable speed control and a low center of gravity, made from inexpensive and durable parts, allowing for erratic and enticing motion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If a motorized mechanism is added to create erratic motion under a flexible cover, then cat attraction and engagement duration are improved, but device complexity increases
Solution Approach 1:
The device is segmented into distinct functional modules: a motorized drive mechanism, a flexible cover assembly, a power source compartment, and a control circuit. This segmentation allows each component to be optimized independently and simplifies assembly and maintenance, resolving the complexity issue while maintaining the engaging erratic motion capability.
Solution Approach 2:
The patent employs a motorized mechanism with variable speed control that generates dynamic, erratic motion patterns under a flexible cover. The motion characteristics can be adjusted to simulate natural prey movement, significantly increasing cat engagement duration. The flexible cover amplifies the motion effects while protecting the internal mechanism.
2Adaptability or versatility
If adjustable speed control is implemented, then cat engagement and entertainment value are improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent implements adjustable speed control by varying the rotational speed parameter of the motorized mechanism. This allows the erratic motion characteristics to be modified to match different cat play styles and energy levels. The parameter adjustment is achieved through a simple control circuit that regulates power delivery to the motor, providing versatility without excessive complexity.
3Stability of the object's composition
If a low center of gravity design is used, then stability and prevention of tipping are improved, but device height and storage space requirements worsen
Solution Approach 1:
The patent positions the power source and battery assembly at the base of the device, creating a counterweight effect that lowers the center of gravity. This strategic placement of mass provides inherent stability and prevents tipping during operation, even when the upper portions of the device move erratically. The low center of gravity design ensures the device remains grounded while maintaining a compact overall profile suitable for storage.
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 toy provides long-lasting engagement for cats with adjustable speed and direction, preventing tipping and being easy to operate, while being lightweight, durable, and aesthetically appealing, with minimal assembly requirements.
Implementation Method 1
a motor (40) connected to a power source (50). The motor (40) has a motor shaft (60)
Implementation Method 2
A resilient mouse wand (70) is secured at one end (72) with the motor shaft (60)
Implementation Method 3
A motorized cat toy with a circular housing, a resilient mouse wand, and a flexible cover that moves randomly in 360 degrees, featuring adjustable speed control and a low center of gravity
Data Source
AI summary
A cat toy for resting on a flat surface is disclosed. The cat toy includes a circular shaped housing that contains a motor connected to a power source. A resilient mouse wand is secured at one end thereof with a motor shaft through a gearing arrangement, thrust bearing arrangement, or the like. The mouse wand includes a ball and a tail section at a distal end. A flexible cover partially covers the mouse wand such that the cat can see the ball moving under the cover and the tail section protruding from the edge of the cover. A control circuit is electronically connected between the motor and the power source that causes the motor to change directions and operate at different speeds and erraticity.