Seat-Integrated Storage Access Door for In-Cabin Retrieval

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Solution Overview

Problem

Existing vehicle designs lack efficient access mechanisms for storage compartments from the occupant compartment, especially when external access is impeded by obstacles, and there is a need for seamless access to stored items without folding seats down.

Innovation Solution

A vehicle with a frame element, a movable door, and a threshold element that forms a storage compartment accessible from the occupant compartment, featuring a sliding or rotating door mechanism that can be controlled by an actuator and control circuitry, allowing access independent of seat position.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a storage compartment is separated from the occupant compartment with a fixed boundary, then security and separation are improved, but access convenience deteriorates

Engineering Contradiction:
Improvestorage compartment securityVSAvoidaccess convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent applies the dynamics principle by making the boundary between the storage compartment and occupant compartment movable rather than fixed. The movable door assembly allows the boundary to dynamically change position - closed when security is needed, open when access is required - thus resolving the contradiction between maintaining secure separation and enabling convenient access.

Inventive Principle:
Principle #15Dynamics

2Device complexity

If the storage compartment is accessible only from outside the vehicle, then structural simplicity is improved, but access flexibility deteriorates when external access is impeded

Engineering Contradiction:
Improveaccess mechanism simplicityVSAvoidaccess flexibility
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The patent applies the universality principle by designing the movable door assembly to serve multiple functions: it provides access from the outside when the door is open, and enables access from the inside when the door is positioned in the intermediate configuration. This multi-functional design allows the same structure to adapt to different access scenarios without requiring separate mechanisms.

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

3Adaptability or versatility

If a movable door mechanism is added to enable internal access, then access flexibility is improved, but device complexity increases

Engineering Contradiction:
Improveaccess flexibilityVSAvoiddoor mechanism complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies the merging principle by integrating the movable door assembly directly into the existing frame structure and threshold element. Rather than adding a completely separate door mechanism, the design combines the door with the structural elements already present in the vehicle, thereby reducing overall complexity while still achieving the desired access flexibility.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP4134281B1Seat-integrated access system for storage in a vehicle
Publication Date: 2025.12.17 RIVIAN HOLDINGS LLC
  • EP4134281B1 patent drawingFigure 1~2
  • EP4134281B1 patent drawingFigure 3~4
  • EP4134281B1 patent drawingFigure 5~6

AI summary

A vehicle includes an occupant compartment, a storage compartment, one or more frame elements, a seat assembly, and a door. The frame element forms at least a part of the storage compartment, which is arranged adjacent to an occupant compartment. The frame element includes an opening between the storage compartment and the occupant compartment. The seat assembly is arranged in the occupant compartment, and optionally includes a console. A threshold element is optionally included to provide an interface to the occupant compartment. The door is configured to block and unblock the opening such that an occupant can access the storage compartment from the occupant compartment. The door is configured to rotate, slide, fold, or otherwise be reconfigured, under manual or automatic operation, to unblock the opening. The door is not part of the seat assembly, and interfaces to the frame element or a threshold element affixed to the frame.