Elevating lift with a stabilized movable base
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional lift devices, such as ladders and powered lifters, face issues with stability, especially on uneven surfaces and in personal applications, where they are either too large or complex for effective use.
Innovation Solution
An elevating lift with a stabilized movable base featuring extendable legs and casters, allowing for adjustable stability and rotational movement, enabling secure deployment and collapse, and optionally combined with a stool for enhanced versatility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If conventional ladders are used, then they can reach elevated areas, but they lack stability on uneven surfaces
Solution Approach 1:
The patent employs dynamically adjustable legs that can extend and retract to adapt to uneven surfaces. The legs are connected to the base through pivot joints and controlled by actuators, allowing the base to maintain stability while adapting its configuration to various ground conditions. This dynamic adjustment mechanism resolves the contradiction between maintaining stability and adapting to different surface conditions.
Solution Approach 2:
The base structure changes its geometric parameters (leg length, angle of extension) in response to detected surface conditions. By varying these parameters, the base optimizes its stability footprint on uneven terrain while maintaining its primary function of supporting the lift platform.
2Strength
If powered lifters with large base are used, then they can support heavy loads, but they become too large and cumbersome for personal applications
Solution Approach 1:
The patent utilizes a telescoping cage assembly where multiple structural elements are nested within each other. The cage consists of concentric tubular structures that can extend and retract, allowing the lift to achieve significant height and load-bearing capacity while maintaining a compact footprint when retracted. This nesting principle enables the lift to provide industrial-grade strength in a personally-sized device.
Solution Approach 2:
The lift structure is divided into modular segments including the base, telescoping cage, platform, and leg assemblies. Each segment can be independently optimized for strength-to-weight ratio, and the modular design allows for compact folding and storage while maintaining structural integrity during operation.
3Strength
If scissor lift systems are used, then they can provide robust lifting capability, but they increase device complexity
Solution Approach 1:
The patent replaces traditional scissor lift mechanisms with a telescoping cage assembly driven by a single motor through a cable and pulley system. This substitution simplifies the mechanical structure by eliminating multiple intersecting scissor arms and associated linkages, while maintaining equivalent or superior lifting capability through the telescoping action of the nested tubular structures.
Solution Approach 2:
The invention extracts the essential lifting function from the complex scissor mechanism and implements it through a simpler telescoping structure. By removing the unnecessary mechanical complexity of scissor linkages and retaining only the core elevation function through nested tube extension, the system achieves robust lifting capability with reduced structural complexity.
4Device complexity
If single telescoping mast is used, then it simplifies the structure, but it loses structural integrity over time
Solution Approach 1:
The patent employs an asymmetric reinforcement strategy where diagonal bracing elements are strategically positioned within the telescoping cage structure. These bracing elements are not uniformly distributed but placed specifically at critical stress points and joints, providing enhanced structural integrity without adding symmetric complexity throughout the entire structure.
Solution Approach 2:
The design incorporates pre-reinforced joints and connection points within the telescoping cage structure. Critical welding and bonding locations are strengthened in advance during manufacturing, and the structure includes built-in stress distribution features that preemptively address potential failure points before they occur during operation.
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 solution provides a robust, simple, and versatile lift system that ensures stability and ease of use, suitable for personal applications, with adjustable legs and casters ensuring maximum support and maneuverability.
Implementation Method 1
A cable and pulley system is provided. The cable is wound around a drum, one end of the cable being secured to the cage and the other end extending out through the cage for connection to a motor.
Data Source
AI summary
The elevating lift with a stabilized movable base includes a base with extendable legs that provide minimum to maximum adjustable stability during use and transport. A lift system is mounted on the base, and a platform assembly is mounted on top of the lift system for selective raising or lowering. Each extendable leg supports a caster, rendering the base movable, and selective extension and retraction of the legs adjusts the stability of the lift. The plurality of legs can be further driven to simultaneously rotate about the vertical axis to steer the lift. The stabilized movable base is further alternatively used in combination with a stool, providing minimum to maximum stability during use and transport of seating, and multiple elevating lifts may be used to support linked platform assemblies in various configurations.