Enhanced Mobile Cleaning Robot with Adaptive Suspension
Legal Citation
Summary of the Inventive Concept
An improved mobile cleaning robot with advanced suspension adjustment capabilities, enhancing performance, efficiency, and adaptability across diverse environments and operating modes.
Background and Problem Solved
The original patent, 'Mobile cleaning robot with adjustable suspension,' provided a foundational concept for autonomous mobile cleaning robots. However, it had inherent limitations, such as fixed suspension stiffness, which affected its performance and adaptability in varying terrain and operating modes. The new inventive concept addresses these limitations by introducing advanced suspension adjustment systems, terrain-sensing capabilities, load-balancing mechanisms, and self-leveling features.
Detailed Description of the Inventive Concept
The enhanced mobile cleaning robot features a suspension adjustment system that dynamically adjusts the suspension stiffness in response to changes in the robot's operating mode or terrain. This is achieved through advanced sensors and algorithms that detect and analyze environmental conditions, adjusting the suspension stiffness to optimize performance, stability, and efficiency. Additionally, the robot incorporates a terrain-sensing system to detect changes in terrain and adjust the suspension stiffness accordingly. A load-balancing system redistributes weight between the drive wheels and caster or skid based on the operating mode of the mobile cleaning robot, ensuring optimal traction and stability. Furthermore, a self-leveling system maintains a consistent ground clearance regardless of the operating mode or terrain, guaranteeing smooth and efficient operation.
Novelty and Inventive Step
The new inventive concept introduces novel suspension adjustment capabilities, terrain-sensing features, load-balancing mechanisms, and self-leveling systems, which are not present in the original patent. These advancements provide a significant improvement in performance, efficiency, and adaptability, making the enhanced mobile cleaning robot more effective and reliable in diverse environments and operating modes.
Alternative Embodiments and Variations
Alternative embodiments of the inventive concept could include variations in sensor types, algorithmic approaches, and mechanical designs for the suspension adjustment system, terrain-sensing system, load-balancing system, and self-leveling system. Additionally, the inventive concept could be applied to other types of autonomous mobile robots, such as lawn mowers or agricultural robots, to enhance their performance and adaptability.
Potential Commercial Applications and Market
The enhanced mobile cleaning robot has significant commercial potential in the consumer robotics and cleaning industries, particularly in the growing market for autonomous cleaning solutions. The inventive concept's adaptability and performance enhancements make it an attractive solution for various environments, including homes, offices, and public spaces.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A47 | A47L9/066 |
| A | A47 | A47L7/009 |
| A | A47 | A47L9/009 |
| A | A47 | A47L9/2847 |
| A | A47 | A47L9/2852 |
| A | A47 | A47L11/28 |
| A | A47 | A47L11/4011 |
| A | A47 | A47L11/4036 |
| A | A47 | A47L11/4055 |
| A | A47 | A47L11/4061 |
| A | A47 | A47L11/4063 |
| A | A47 | A47L11/4072 |
| A | A47 | A47L2201/04 |
| A | A47 | A47L2201/06 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Autonomous mobile cleaning robotics, specifically focusing on robotic floor cleaning systems with adjustable mechanical suspension and operational mode adaptations
Person of Ordinary Skill (PHOSITA) Profile
A robotics engineer with expertise in autonomous mobile platforms, mechanical design, sensor integration, and control systems, holding at least a bachelor's degree in mechanical or robotics engineering with 3-5 years of experience in autonomous cleaning robot development
Obviousness Rationale
A PHOSITA would recognize that the suspension adjustment and terrain-sensing techniques disclosed in the PTD represent predictable engineering variations of the source patent's mobile cleaning robot framework. The core mechanical and operational principles are substantially consistent, with the PTD introducing incremental improvements in adaptive suspension and mode-based performance optimization. These variations represent standard design iterations that would be apparent to a skilled practitioner seeking to enhance robotic mobility and cleaning efficiency.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,139 |
|---|---|
| Title | Mobile cleaning robot with adjustable suspension |
| Assignee(s) | iRobot Corporation |