Inflatable Ladder Structure for Compact Storage and Fast Deployment

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Traditional ladders are impractical for environments with space constraints, posing challenges in storage, transportation, and rapid deployment, particularly in emergency, marine, or military applications, necessitating lightweight, compact, and rapidly deployable ladder solutions with reliable structural stability.

Innovation Solution

An inflatable ladder design featuring an elongated vertical support element with interior air chambers, rungs, and an inlet valve for inflation, providing structural rigidity and ease of use, with optional attachment features for securing to support structures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If traditional ladders are used, then structural stability is provided, but storage space requirements increase and transportation becomes difficult

Engineering Contradiction:
Improvestructural stabilityVSAvoidstorage volume
Core Design Contradiction:
Stability of the object's compositionVSVolume of moving object

Solution Approach 1:

The ladder employs flexible inflatable chambers instead of rigid solid structures. The vertical support element and rungs are formed as flexible membranes that can be inflated with gas to achieve the required structural rigidity. When deflated, these flexible structures collapse to a compact form factor, dramatically reducing storage volume while maintaining structural stability when in use.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The ladder's structural properties are dynamically changed through gas inflation and deflation. By controlling the gas pressure within the chambers, the ladder can transition between a rigid operational state and a compact stored state. The material properties and structural rigidity are not fixed but can be adjusted based on operational requirements.

Inventive Principle:
Principle #35Parameter changes

2Stability of the object's composition

If traditional ladders are used, then structural stability is provided, but transportation ease deteriorates

Engineering Contradiction:
Improvestructural stabilityVSAvoidtransportation ease
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The flexible inflatable construction allows the ladder to be easily transported in a deflated state, conforming to contours of containers or storage spaces. The flexible nature enables it to be carried by hand or placed in vehicles without requiring special handling, while still providing structural stability when inflated at the destination.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The ladder transitions from a static rigid structure to a dynamic inflatable structure that can change its state. This dynamic capability allows it to adapt between transportation mode (deflated for ease of movement) and operational mode (inflated for structural stability), resolving the contradiction between these two requirements.

Inventive Principle:
Principle #15Dynamics

3Stability of the object's composition

If traditional ladders are used, then structural stability is provided, but deployment time increases

Engineering Contradiction:
Improvestructural stabilityVSAvoiddeployment time
Core Design Contradiction:
Stability of the object's compositionVSLoss of time

Solution Approach 1:

The ladder is pre-assembled in a deflated compact configuration within a protective covering or container. All components are pre-positioned and pre-connected, so that upon arrival at the destination, the user simply needs to inflate the structure rather than assembling it from separate parts. This preliminary preparation dramatically reduces deployment time while maintaining structural stability.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The traditional mechanical assembly and disassembly process is replaced with a pneumatic inflation system. Instead of mechanically assembling multiple rigid components, the user simply connects an air source to the inflation valve and activates the pump. This substitution of mechanical assembly with pneumatic inflation significantly accelerates the deployment process.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Ease of operation

If inflatable design is used, then transportation ease and storage compactness are improved, but structural rigidity must be maintained

Engineering Contradiction:
Improvetransportation easeVSAvoidstructural rigidity
Core Design Contradiction:
Ease of operationVSStrength

Solution Approach 1:

The ladder utilizes pneumatic pressure within sealed chambers to generate structural rigidity. The inflatable vertical support element and rungs are filled with gas (typically air or nitrogen) at controlled pressures that provide the necessary structural strength. The pneumatic system allows the flexible structure to resist external loads while maintaining the required rigidity for safe use.

Inventive Principle:
Principle #29Pneumatics and hydraulics

Solution Approach 2:

The ladder employs composite construction combining flexible inflatable chambers with reinforcing structural elements. The flexible membrane material is reinforced with structural ribs, seams, and attachment points that maintain integrity under load. This composite approach allows the structure to be both flexible for transport and rigid when inflated.

Inventive Principle:
Principle #40Composite materials

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

Facilitates easy transportation and compact storage while ensuring structural stability and ease of use, meeting the needs of space-constrained environments.

Implementation Method 1

an elongated vertical support element defining at least one interior air chamber configured to be inflated by a pressurized gas

Methodology Applied
Scientific EffectGas pressure: Pressure Increase

Implementation Method 2

an inlet valve coupled to the at least one interior air chamber, the inlet valve being configured to selectively admit and expel gas from the air chamber

Methodology Applied
Scientific EffectValve control: Valve

Data Source

PatentUS20250388298A1Inflatable ladder
Publication Date: 2025.12.25 ZIMMER TRENT
  • US20250388298A1 patent drawing
  • US20250388298A1 patent drawing
  • US20250388298A1 patent drawing

AI summary

An inflatable ladder is disclosed. The inflatable ladder includes an elongated vertical support element defining at least one interior air chamber configured to be inflated by a pressurized gas, and a plurality of vertically spaced rungs that are formed in the vertical support element. Each rung includes an opening that extends through or is recessed into the vertical support element. In some implementations, vertically adjacent rungs are oriented perpendicular to each other and configured to function as both handholds and footholds. An inlet valve is coupled to the air chamber and is configured to selectively admit and expel gas. When inflated, the ladder provides structural rigidity sufficient to support a user. The inflatable design of the ladder facilitates compact storage and easy transportation when not in use.