Two-Shell Seating Furniture Design for Full-Surface Decal Insertion
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Solution Overview
Problem
Current seating furniture designs do not allow for a full-surface decorative solution without moving parts or mechanical components, while maintaining comfort, stackability, and durability standards.
Innovation Solution
A seating furniture design comprising two connected seat shells forming a continuous seat and backrest surface, with a gap space between them for inserting a decal sheet through a slit-shaped access opening, allowing for easy replacement and full-surface decoration without mechanical components, using connecting strips for attachment and ensuring stackability and comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional single-shell seat designs are used with moving parts or mechanical components for decorative panel insertion, then decorative versatility is improved, but device complexity and structural integrity worsen
Solution Approach 1:
The seat is divided into two separate shells (first and second shells) that are positioned adjacent to each other, creating a gap space between them. This segmentation allows the decorative sheet to be inserted into the gap space without requiring moving parts or mechanical components, thus achieving decorative versatility while maintaining structural simplicity.
Solution Approach 2:
The decorative sheet is nested within the gap space between the two shells, effectively hiding it within the structure of the seat itself. This allows the decorative element to be integrated into the seat's construction without adding external moving parts or complex mechanical insertion mechanisms.
2Adaptability or versatility
If transparent panels are used to allow decal sheet insertion, then decorative adaptability is improved, but manufacturing complexity and cost worsen
Solution Approach 1:
The first shell is made transparent while the second shell can be made of different materials, allowing the decorative sheet to be visible through the transparent portion while maintaining structural integrity and design flexibility. This local transparency approach achieves decorative adaptability without requiring the entire structure to be complex or expensive.
3Ease of operation
If mechanical components are used for decal sheet insertion and removal, then ease of replacement is improved, but device complexity and durability worsen
Solution Approach 1:
The decorative sheet is extracted from the traditional approach of being attached to a single shell with mechanical fasteners. Instead, it is placed in the gap space between two shells, allowing it to be removed and replaced by simply accessing the gap space without any mechanical components, thus simplifying the structure while maintaining ease of replacement.
Solution Approach 2:
The gap space between the two shells acts as an intermediary space that facilitates the insertion and removal of the decorative sheet. This intermediate space allows for easy access and replacement of the decorative element without requiring complex mechanical fastening or release mechanisms.
4Adaptability or versatility
If full-surface decorative coverage is achieved, then aesthetic versatility is improved, but structural integrity and comfort worsen
Solution Approach 1:
By segmenting the seat into two separate shells with a gap space between them, the decorative sheet can cover the entire visible surface area of the seat while the structural integrity is maintained in the two separate shell components. Each shell can be optimized for structural strength while the gap space accommodates the full-surface decorative coverage.
Data Source
AI summary
The invention relates to a piece of seating furniture (1) formed from two seat shells (2, 3) connected to one another, which form a seating surface and a backrest of the piece of seating furniture (1) as a connected component, wherein the upper and lower seat shells (2, 3) connected to form the piece of seating furniture (1) are designed approximately identically in construction and same are connected to one another only in the edge region (4) thereof such that a free, narrow and flat gap space (5) remains between the seat shells (2, 3), which holds a decal sheet (7) via a slot-shaped access opening (6) on the top side (10) of the backrest and/or on the front edge (11) of the seating surface and/or in the rear surface of the piece of seating furniture (1), which decal sheet is approximately the size of the surface of the piece of seating furniture (1).