Spring-Loaded Slide Fastening System for Luggage Rack Containers
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Solution Overview
Problem
Existing fastening systems for attaching containers to carriers, such as luggage racks, are cumbersome due to the need to align multiple points and require simultaneous lifting and unlocking, making them difficult to use, especially with heavy loads, and challenging to remove.
Innovation Solution
A fixing and locking system featuring a mushroom-shaped fastening element with a spring-loaded slide mechanism that engages with a receiving element on the container, allowing for easy attachment and removal by pivoting and utilizing a curved notch path to secure the container, preventing sliding or detaching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple fastening points are used to secure the container, then the reliability of attachment is improved, but the ease of operation deteriorates due to the need to align multiple points simultaneously
Solution Approach 1:
The fastening system is divided into multiple independent fastening elements (at least two) that can be engaged separately. Each fastening element operates independently with its own receiving element, allowing the container to be secured at multiple points without requiring simultaneous alignment of all points. This segmentation maintains high attachment reliability while significantly improving ease of operation.
2Reliability
If a secure locking mechanism is implemented, then the reliability of attachment is improved, but the ease of operation deteriorates due to the need for simultaneous lifting and unlocking
Solution Approach 1:
The fastening elements are designed with preliminary positioning features that guide the receiving elements into place before final engagement. The spring element pre-positions the fastening element, and the curved notch path guides alignment, so that when the container is lowered, the fastening occurs automatically without requiring precise simultaneous alignment or two-handed operation. This preliminary action maintains secure locking while dramatically simplifying the removal process.
3Strength
If large stable hooks are used to fasten the container, then the strength of attachment is improved, but the device complexity increases
Solution Approach 1:
The fastening element incorporates a spring element that provides dynamic adjustment and automatic positioning. The spring allows the fastening element to flex and adapt during the engagement process, guiding the receiving element into place and maintaining secure attachment without requiring large, complex hook structures. This dynamic mechanism achieves high fastening strength with simpler, more compact components.
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 easier handling and secure attachment of containers to carriers by distributing the weight and preventing accidental detachment, allowing for simple and comfortable mounting and removal with minimal effort.
Implementation Method 1
the region for a spring-loaded slide (3), which presses a fastening means (20) into a notch (9) in an elevation (11) of the cover plate (4) and fastens it
Data Source
AI summary
A fixing and/or locking system for containers to a fastening device, in particular to a carrier, such as a luggage rack, wherein at least one fastening element is attached to the carrier or to an accessory part for the carrier and engages in and is detachably locked to at least one receiving element, which is attached to a container and/or is connected to the container, wherein the receiving element has a base plate having a spring-loaded slide, which runs between the base plate and a cover plate, wherein the cover plate has elevations having a through-hole from one side of the cover plate to the other, wherein the region for the spring-loaded slide is formed behind the one elevation and the space behind the other elevation has an undercut designed for the engagement of the protrusion or collar of a fastening element, wherein the spring-loaded slide presses a fastening element, which can be inserted into the through-hole, into a notch in the elevation of the cover plate and fastens it.