Curved Frame Profile Cover for Seamless Canvas Attachment

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Solution Overview

Problem

Current fixing joints for canvases on frame structures do not allow complete coverage, resulting in uncovered spaces at the junctions between frames, which degrade visual rendering and waste space, especially when multiple frames are assembled.

Innovation Solution

A fixing device with a curved covering part that extends beyond the profile's outer edge, allowing the canvas to occupy the entire frame surface, and featuring a removable fixing mechanism for easy assembly and adjustment, ensuring continuous coverage without gaps.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional fixing joints are used to attach canvas to frame structure, then the canvas can be fixed to the frame, but uncovered spaces appear at the junctions between frames, degrading visual rendering

Engineering Contradiction:
Improvevisual rendering qualityVSAvoidcovered area of frame
Core Design Contradiction:
ReliabilityVSArea of stationary object

Solution Approach 1:

The fixing device incorporates a curved covering portion that arches over the frame profile, extending beyond the straight edges to reach adjacent frames. This curvature allows the canvas to wrap around and cover the junction areas between frames, eliminating visual gaps and improving overall rendering quality.

Inventive Principle:
Principle #14Spheroidality (Curvature)

Solution Approach 2:

The covering portion extends in a third dimension beyond the flat plane of the frame, projecting outward to cover the vertical edges and junction areas. This dimensional extension allows the canvas to cover areas that would otherwise remain exposed at frame intersections.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Productivity

If conventional fixing joints are used, then the canvas can be attached to the frame, but the usable space of the frame is reduced due to uncovered edges

Engineering Contradiction:
Improveusable space of frameVSAvoideffective coverage area
Core Design Contradiction:
ProductivityVSArea of stationary object

Solution Approach 1:

The curved covering portion maximizes the use of available frame width by arching outward to cover the entire frame profile, including the outer edges. This design allows the canvas to occupy the full width of the frame structure, increasing the effective usable space.

Inventive Principle:
Principle #14Spheroidality (Curvature)

3Reliability

If the covering portion extends beyond the profile outer edge to eliminate gaps, then visual rendering improves, but the fixing device becomes more complex

Engineering Contradiction:
Improvevisual rendering qualityVSAvoidfixing device structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The fixing device merges multiple functions into a single integrated component: the fixing portion attaches the device to the frame groove, while the covering portion simultaneously covers the frame profile and enables canvas attachment. This consolidation simplifies the overall structure despite the extended functionality.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The covering portion serves multiple purposes: it acts as a structural cover for the frame profile, provides an extended surface for canvas attachment, and creates overlapping coverage at frame junctions. This multi-functionality reduces the need for separate components.

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

4Area of stationary object

If the covering portion is made wider to cover the entire profile width, then canvas coverage is maximized, but the fixing device becomes less compact

Engineering Contradiction:
Improvecanvas coverage areaVSAvoidfixing device volume
Core Design Contradiction:
Area of stationary objectVSVolume of moving object

Solution Approach 1:

The curved cross-section of the covering portion allows it to cover the entire width of the frame profile while maintaining a compact form factor. The arching shape efficiently spans the width without requiring excessive material or volume, as the curvature provides structural strength with minimal mass.

Inventive Principle:
Principle #14Spheroidality (Curvature)

Data Source

PatentEP3369877B1Frame comprising a frame structure, a fabric and a device for securing said fabric to a profile of said frame structure
Publication Date: 2024.11.06 DUO IND
  • EP3369877B1 patent drawingFigure 1~3
  • EP3369877B1 patent drawingFigure 4~6
  • EP3369877B1 patent drawingFigure 7~8

AI summary

The invention relates to a device (102; 202; 302; 402; 802) for removably or detachably attaching a fabric (T) to a profile (104; 702) having an inner edge (1041) and an outer edge (1042) opposite said inner edge (1041), such that once attached, said fabric (T) extends from said inner edge (1041). The device (102; 202; 302; 402; 802) comprises: - a first attachment portion (106) for attaching said device (102; 202; 302; 402; 802) to said profile (104; 702), - a portion (108), called a cover portion, intended to be covered by said fabric (102), said cover portion (108) extending beyond said attachment portion (106) towards the outer edge. (1042 ), in the direction (112) going from the inner edge (1041 ) to the outer edge (1042 );characterized in that said fastening device is in the form of a "Γ" or a "T" whose vertical arm forms said first fastening part (106) and the horizontal arm forms the covering part (108).;