Intelligent Load-Adaptive Bed with Optimized Actuator Output
Legal Citation
Summary of the Inventive Concept
A hi-low bed system featuring a load transfer assembly with adaptive cam surface friction coefficient and/or geometric profile, ensuring optimal actuator load output and efficient bed movement, regardless of the load.
Background and Problem Solved
The original patent for a hi-low bed with a load transfer assembly, although innovative, had limitations in its ability to efficiently handle varying loads. The new inventive concept addresses this issue by introducing adaptive mechanisms that optimize the actuator load output, ensuring a smoother and more efficient bed movement experience.
Detailed Description of the Inventive Concept
The intelligent load-adaptive bed features a load transfer assembly comprising a pivot arm and a cam arm, with the cam arm having a dynamic friction coefficient that adjusts in response to changes in the bed's load. This adaptation ensures optimal actuator load output, reducing the strain on the actuator and promoting efficient bed movement. Additionally, the bed system can include a sensor for detecting the bed's load, allowing for real-time adjustments to the actuator load output. In alternative embodiments, the cam surface's geometric profile can change in response to the bed's load, or a mechanical advantage mechanism can be integrated to amplify the actuator load output.
Novelty and Inventive Step
The new inventive concept's adaptive mechanisms, which adjust the cam surface's friction coefficient and/or geometric profile in response to changes in the bed's load, constitute a non-obvious improvement over the original patent. These innovations enable the bed to efficiently handle varying loads, providing a smoother and more efficient bed movement experience.
Alternative Embodiments and Variations
Other implementations of the inventive concept could include using different types of sensors to detect the bed's load, integrating machine learning algorithms to predict and adapt to changing load conditions, or incorporating additional mechanisms to further optimize the actuator load output. These variations would ensure broad conceptual coverage and flexibility in the design.
Potential Commercial Applications and Market
The intelligent load-adaptive bed has significant commercial potential in the healthcare and hospitality industries, where efficient and safe bed movement is crucial. The inventive concept's ability to optimize actuator load output and provide a smoother bed movement experience can improve patient care, reduce the risk of injury to caregivers, and enhance the overall user experience in hospitals, nursing homes, and luxury hotels.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A61 | A61G7/018 |
| A | A47 | A47C19/021 |
| A | A61 | A61G7/012 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Medical and assistive furniture design, specifically adjustable beds with mechanical load transfer systems, requiring expertise in mechanical engineering, biomechanics, and assistive technology design
Person of Ordinary Skill (PHOSITA) Profile
A mechanical engineer with 3-5 years experience in medical equipment design, familiar with load transfer mechanisms, actuator systems, and adaptive mechanical interfaces
Obviousness Rationale
A PHOSITA would recognize that the PTD's adaptive load transfer mechanisms represent predictable engineering variations of the source patent's fundamental cam arm and pivot arm design. The disclosed friction coefficient and geometric profile adjustments are logical extensions of existing mechanical principles for optimizing load transfer in adjustable bed systems. These modifications represent standard design optimization strategies that would be apparent to a skilled practitioner seeking to improve bed movement efficiency.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,474 |
|---|---|
| Title | Bed that is movable from a low position to a high position with a load transfer assembly |
| Assignee(s) | GF Health Products, Inc. |