Hidden Furniture Panel Joint With Front-Access Locking

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Solution Overview

Problem

Existing furniture joints require visible holes and complex mechanisms, which are aesthetically unappealing, create obstacles, and are difficult to activate in limited spaces, especially for lower joints.

Innovation Solution

A hidden joint system with front activation that minimizes visible holes and encumbrance, using a container with snap-in plugs and interconnection components, allowing easy access and assembly between panels without visible holes, utilizing a pin and butt mechanism with a grub screw for secure interconnection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If visible holes and caps are used for joint assembly, then the joint can be securely connected, but the aesthetical appearance deteriorates and user accessibility is hindered

Engineering Contradiction:
Improvejoint connection securityVSAvoidaesthetical appearance
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The invention extracts the visible cap and hole elements from the joint assembly, relocating the activation mechanism to the front of the furniture piece where a tool can access it without creating visible holes in the panels. The joint mechanism itself remains hidden within the furniture structure, achieving secure connection without aesthetic compromise.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The invention introduces a front-accessible activation mechanism that serves as an intermediary between the user and the hidden joint mechanism. This allows the user to activate the joint from the front without creating visible holes in the panels, while still achieving secure connection through the hidden mechanism.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of manufacture

If caps are added to cover holes, then aesthetical appearance improves, but user accessibility and object positioning are hindered

Engineering Contradiction:
Improveaesthetical appearanceVSAvoiduser accessibility
Core Design Contradiction:
Ease of manufactureVSEase of operation

Solution Approach 1:

The invention removes the cap element entirely from the design, replacing it with a front-accessible activation mechanism. This eliminates the obstacle that caps create for object positioning while maintaining aesthetical appearance by keeping all holes hidden within the furniture structure.

Inventive Principle:
Principle #2Taking out (Extraction)

3Ease of operation

If activation is performed from above, then the joint can be activated, but it becomes difficult in limited spaces between shelves or from the bottom area

Engineering Contradiction:
Improvejoint activationVSAvoidactivation mechanism
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

Instead of activating the joint from above through holes in the panels, the invention inverts the activation approach by providing front accessibility. The activation mechanism is positioned at the front of the furniture piece, allowing tool access from the front rather than from above or below, thereby solving the limited space problem.

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

Data Source

PatentUS11680597B2Joint for the firm interconnection of a first and a second panel of furniture and other furnishing items
Publication Date: 2023.06.20 LEONARDO
  • US11680597B2 patent drawing
  • US11680597B2 patent drawing
  • US11680597B2 patent drawing

AI summary

A joint for firmly interconnecting a first panel and a second panel of furniture and other furnishing items positioned perpendicular to each other is provided with at least one fixing element coupled to the first panel and includes a plurality of interconnection and blocking components for joining and firmly blocking the two panels together, wherein, in the joint, the plurality of components lie on the same plane, which is parallel and interspaced with respect to the first panel and perpendicular with respect to the second panel.