Vehicle Load Carrier Accessory Kit with Snap-On Connection

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Solution Overview

Problem

The existing methods for mounting and dismounting loads, such as skis, from vehicle load carriers are tedious and difficult, especially for smaller users, as they require positioning the load on the vehicle and wrapping straps around it, which can be challenging due to the size and weight of the load.

Innovation Solution

A vehicle load carrier accessory kit featuring a first and second connection member with a snap-on connection mechanism, allowing the load to be attached to the first connection member independently before being secured to the vehicle load carrier, simplifying the mounting and dismounting process with a strap member that can encircle the load and provide a secure, easy-to-use connection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If straps are used to retain the load to the vehicle load carrier, then the load can be securely retained, but the mounting and dismounting operation becomes tedious and difficult

Engineering Contradiction:
Improveload retention securityVSAvoidmounting and dismounting ease
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The connection system is divided into separate modular components: a load carrier assembly that attaches to the vehicle, and separate load retention assemblies that attach to the load. This segmentation allows the load to be secured independently before being connected to the vehicle, simplifying the overall mounting operation while maintaining secure retention through multiple connection points.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The load retention assemblies are designed to be attached to the load beforehand, away from the vehicle, where the user can easily position and secure them. This preliminary action eliminates the need to reach across the vehicle roof during mounting, making the operation easier and more accessible to users of all sizes.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If the load is positioned on the vehicle roof for mounting, then the load can be secured to the load carrier, but smaller users find it difficult to reach across the vehicle roof

Engineering Contradiction:
Improveload securingVSAvoiduser accessibility
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The strap members are designed to wrap around and secure the load to the load carrier assembly before the assembly is positioned on the vehicle roof. This preliminary securing action can be performed at ground level where all users can easily reach and manipulate the straps, eliminating the accessibility problem of reaching across the vehicle roof.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The load carrier assembly acts as an intermediary device that is first attached to the load at ground level, then lifted and positioned on the vehicle roof as a complete unit. This intermediary approach separates the securing operation from the positioning operation, allowing smaller users to perform the securing task comfortably.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of operation

If a snap-on connection is used between connection members, then the mounting and dismounting process is simplified, but the connection must still support the load weight and remain secure

Engineering Contradiction:
Improvemounting and dismounting simplicityVSAvoidconnection security
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The connection system uses multiple snap-on connections distributed at different locations between the load carrier assembly and the load retention assemblies. This segmentation of the connection function allows each individual snap-on connector to be simple and easy to operate, while the collective system of multiple connections provides sufficient security to support the load weight and prevent accidental detachment.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP2815925B1Vehicle load carrier accessory
Publication Date: 2016.07.06 THULE SWEDEN AB
  • EP2815925B1 patent drawingFigure 1
  • EP2815925B1 patent drawingFigure 2
  • EP2815925B1 patent drawingFigure 3

AI summary

A vehicle load carrier accessory kit (1) for a vehicle load carrier (2), comprising a first and a second connection member (10, 30), said first connection member (10) comprising a first second connection site (11) for a detachable connection to a load and a second connection site (12) for a detachable connection to said second connection member (30), said second connection member (30) comprising a first connection site (31) for a detachable connection to a vehicle load carrier (2) and a second connection site (32) for a detachable connection to said first connection member (10), wherein said second connection site (12) of said first connection member (10 and said second connection site (32) of said second connection member (30) are formed by a male and female snap-on connection.