Modular Ramp with Curved Surface for Adjustable Elevation

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Solution Overview

Problem

Conventional ramps face challenges in versatility, as longer ramps lack space adaptability due to increased length, while shorter ramps are steeper and harder to use effectively, limiting their applicability in various situations.

Innovation Solution

A modular ramp system comprising a base block with a curved top side and stacker blocks, where the stacker blocks can be stacked onto the base block to adjust the ramp's height, featuring complementary projections and openings for secure connection, allowing for customizable length and height configurations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the ramp length is increased to provide a more gradual height increase, then the ease of operation is improved, but the adaptability to different spaces deteriorates

Engineering Contradiction:
Improveease of locating wheel at desired heightVSAvoidability to use in limited space situations
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The ramp is divided into multiple separable blocks (base block and stacker blocks) that can be stacked in different configurations. This segmentation allows the ramp to be adjusted in length and height to suit different spatial constraints while maintaining the curved top surface geometry that facilitates ease of operation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The ramp configuration is made dynamic and adjustable through the stacking mechanism. Users can stack one or more stacker blocks onto the base block to create different ramp lengths and heights, allowing the system to adapt to various space requirements while preserving the operational characteristics.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If the ramp length is decreased to improve space adaptability, then the adaptability to different spaces is improved, but the steepness of height increase worsens

Engineering Contradiction:
Improveability to use in various situationsVSAvoiddifficulty of locating wheel at desired height
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

By segmenting the ramp into modular blocks with curved top surfaces, the invention allows short ramp configurations to maintain the same curved geometry as longer configurations. This ensures that even when stacked to a shorter overall length, the ramp preserves the gradual height transition characteristics that make it easy to operate.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The ramp system allows changes in geometric parameters (length, height) through stacking while maintaining the essential curved surface parameter that determines ease of operation. The curved top surface geometry is preserved across different stacking configurations.

Inventive Principle:
Principle #35Parameter changes

3Device complexity

If the ramp is designed as a single fixed configuration, then the device complexity is reduced, but the adaptability to different needs deteriorates

Engineering Contradiction:
Improvesimplicity of ramp structureVSAvoidconfigurability for different situations
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The ramp is segmented into standardized base and stacker blocks that maintain structural simplicity through repetition of the same curved block design. This segmentation enables adaptability through different stacking arrangements while keeping individual component design simple and manufacturable.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The base block and stacker blocks are designed as universal components that can be stacked in various combinations to create different ramp configurations. The same block designs serve multiple functions across different ramp lengths and heights, reducing overall system complexity while maximizing adaptability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS11891285B2Ramp
Publication Date: 2024.02.06 ETN CAPITAL LLC
  • US11891285B2 patent drawing
  • US11891285B2 patent drawing
  • US11891285B2 patent drawing

AI summary

A ramp configured to support a wheel of a vehicle. The ramp includes a tapered height and a curved surface for a wheel of a vehicle to move along and elevate above a support surface. The ramp includes a base block configured to contact against the support surface. One or more stacker blocks are configured to connect to the base block to increase the elevation of the wheel of the vehicle. The base block and one or more stacker blocks are configured to be removably connected together to be adjustable to the needs of the user.