Pivoting Bottle Opener to Prevent Aircraft Galley Door Damage

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Solution Overview

Problem

Bottle openers in aircraft galleys are rigid structures that protrude and can cause damage to adjacent equipment, such as GAIN doors, while occupying valuable space, necessitating a design that maintains functionality while minimizing damage and maximizing space efficiency.

Innovation Solution

A bottle opener with a pivotable member that can switch between a default use position and a stowed position, featuring a limiting mechanism to control pivoting and a bumper to reduce impact damage, allowing for improved space utilization and reduced contact with adjacent equipment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a rigid bottle opener structure is used, then the bottle opener can effectively remove bottle caps, but it causes damage to adjacent equipment such as GAIN doors

Engineering Contradiction:
Improvebottle cap removal functionalityVSAvoiddamage to adjacent equipment
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The bottle opener employs a dynamic pivoting mechanism that allows the opener to rotate between a protruding position (for effective bottle cap removal) and a retracted position (parallel to the surface, preventing damage to adjacent equipment). This dynamic adjustment resolves the contradiction by enabling the structure to adapt its position based on operational needs.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

A limiting member is incorporated to pre-establish the maximum pivoting range of the bottle opener, preventing it from rotating too far and causing damage to adjacent equipment. This preliminary constraint ensures that the harmful effect of equipment damage is avoided while maintaining operational effectiveness.

Inventive Principle:
Principle #9Preliminary anti-action

2Ease of operation

If a rigid protruding bottle opener is used, then the bottle opener is easily accessible, but it occupies valuable space in the limited aircraft galley environment

Engineering Contradiction:
ImproveaccessibilityVSAvoidspace occupation
Core Design Contradiction:
Ease of operationVSVolume of moving object

Solution Approach 1:

The pivoting mechanism allows the bottle opener to transition from a protruding state (providing accessibility) to a retracted state parallel to the surface (minimizing space occupation). This dynamic positioning resolves the space constraint in aircraft galleys while maintaining ease of operation when needed.

Inventive Principle:
Principle #15Dynamics

3Ease of operation

If the bottle opener is mounted close to GAIN doors for convenience, then the bottle opener is easily accessible, but the GAIN door may collide with the bottle opener when opened

Engineering Contradiction:
Improveconvenience of mountingVSAvoidcollision damage to GAIN door
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The bottle opener can pivot to a retracted position parallel to the surface, creating clearance for GAIN doors to open without collision. This dynamic adjustment allows the bottle opener to be mounted in convenient locations while avoiding interference with door movement.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The limiting member pre-establishes the pivoting range to ensure the bottle opener retracts sufficiently to prevent collision with GAIN doors, while still allowing adequate protrusion for effective bottle cap removal when the door is closed.

Inventive Principle:
Principle #9Preliminary anti-action

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 design reduces damage to nearby equipment by allowing wider door opening and optimizing space usage, enhancing durability and convenience in aircraft galleys.

Implementation Method 1

the bottle opener may comprise a biasing means that biases the first member into the default use position

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentEP4671193A1Bottle opener
Publication Date: 2025.12.31 BE AEROSPACE INC
  • EP4671193A1 patent drawingFigure 1a
  • EP4671193A1 patent drawingFigure 1b
  • EP4671193A1 patent drawingFigure 2a

AI summary

A bottle opener (100) comprising a first member (110) and a limiting member (120) is disclosed. The first member (110) is configured to be pivotably mounted adjacent a first end (110A) thereof relative to a surface (200). The bottle opener (100) has a default use position in which the first member (110) extends at an angle (A) to the surface (200) and a stowed position in which the first member (110) extends flush with the surface (200). The limiting member (120) is configured to limit the extent to which the first member (110) can pivot relative to the surface (200). The first member (110) comprises an edge (118) that is configured to receive an remove a bottle cap (501) from a bottle (500).