Bedding pad with kerf for fragrance insert

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Solution Overview

Problem

Existing bedding pillows with fragrance inserts suffer from components shifting during sleep, leading to uneven fragrance distribution and the use of adhesives that are undesirable for some users.

Innovation Solution

A bedding base, such as a mattress or mattress topper, with notches designed to securely hold fragrance inserts in place, eliminating the need for adhesives and ensuring consistent fragrance release.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a fragrance insert is placed between two pillow bodies using adhesive, then the fragrance insert is held in place, but adhesive fumes and residue cause harmful effects and user rejection

Engineering Contradiction:
Improvefr fragrance insert positioning stabilityVSAvoidadhesive fumes and residue
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent removes the adhesive layer from the system entirely by using a mechanical interlocking solution. The groove-and-tab design allows the fragrance insert to be held in place through physical engagement between the pillow body groove and insert tab, eliminating the need for adhesive and its associated harmful fumes and residue.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent introduces a mechanical intermediary structure (the groove and tab system) that mediates between the pillow body and fragrance insert. This intermediary mechanical connection replaces the chemical adhesive connection, providing a safe and effective means of securing the fragrance insert without harmful substances.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If a fragrance insert is placed between two pillow bodies without secure attachment, then no adhesive is used, but the fragrance insert shifts during sleep causing discomfort and uneven fragrance distribution

Engineering Contradiction:
Improveadhesive-free designVSAvoidfr fragrance insert positioning stability
Core Design Contradiction:
Object-affected harmful factorsVSReliability

Solution Approach 1:

The patent divides the connection system into separate functional elements: a groove structure in the pillow body and a tab structure on the fragrance insert. This segmentation allows each component to be optimized independently while working together to provide secure mechanical attachment without adhesive.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Instead of attaching the fragrance insert to the pillow body using adhesive (chemical bonding), the patent inverts the approach by using mechanical interlocking where the pillow body groove receives and secures the insert tab. This inversion from chemical to mechanical bonding achieves the same securing function without harmful adhesives.

Inventive Principle:
Principle #13The other way round (Inversion)

3Adaptability or versatility

If multiple loose elements are used to construct the pillow with fragrance insert, then the pillow can be assembled, but the numerous components lead to increased device complexity and potential shifting

Engineering Contradiction:
Improvepillow assembly flexibilityVSAvoidnumber of components
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges the fragrance insert securing function into the existing pillow structure by integrating the groove directly into the pillow body and the tab onto the fragrance insert. This combination eliminates the need for separate adhesive layers, fasteners, or additional securing components, reducing overall device complexity while maintaining assembly flexibility.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP4635373A1Bedding pad with kerf for fragrance insert
Publication Date: 2025.10.22 AGENTUR RIENER GMBH
  • EP4635373A1 patent drawingFigure 1a~1b
  • EP4635373A1 patent drawingFigure 2a~2b
  • EP4635373A1 patent drawingFigure 3~4

AI summary

The invention relates to a bedding underlay (1), in particular a mattress, a mattress pad or a mattress topper, comprising a bedding body (3), wherein the bedding underlay (1) comprises at least one fragrance insert (4) and the bedding body (3) has at least one notch (5) into which the fragrance insert (4) can be inserted.