Modular Cabinet Hidden Pin Joining System for Fast Custom Assembly

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Solution Overview

Problem

Existing cabinetry solutions either require high costs and time for custom designs or lack aesthetic appeal with pre-fabricated stock systems, failing to provide a cost-effective and visually desirable modular cabinet system that can be easily assembled during installation.

Innovation Solution

A modular cabinet system utilizing grooves or channels machined into wood pieces for hidden clamping, allowing pieces to be securely joined without visible fasteners, using CNC drill bits to create specific grooves and channels for efficient assembly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If custom cabinetry is manufactured to provide aesthetic appeal and functional customization, then the visual desirability and functional fit are improved, but the cost and installation time increase significantly

Engineering Contradiction:
Improveaesthetic appealVSAvoidinstallation time
Core Design Contradiction:
ShapeVSLoss of time

Solution Approach 1:

The cabinet system is divided into modular components (sides, shelves, back panels, face frames) that can be independently manufactured and then quickly assembled using standardized grooves and hidden clamps, enabling custom configurations without custom manufacturing for each piece

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Grooves are pre-machined into all cabinet components during manufacturing, and hidden clamps are designed to be inserted from the rear during assembly, allowing workers to quickly join pieces without complex fastening operations or visible hardware

Inventive Principle:
Principle #10Preliminary action

2Strength

If traditional fastening methods are used to join cabinet pieces, then structural strength is achieved, but visible fasteners compromise aesthetic appearance

Engineering Contradiction:
Improvejoint strengthVSAvoidaesthetic appearance
Core Design Contradiction:
StrengthVSShape

Solution Approach 1:

The fastening function is extracted from visible locations and relocated to the rear of the cabinet assembly, where hidden clamps engage grooves from the back, providing structural connection without compromising the visual appearance of the front-facing surfaces

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

Grooves act as intermediaries that receive and conceal the clamping action of hidden clamps, allowing strong mechanical joints to be formed while keeping all fastening hardware invisible from the aesthetic surfaces of the cabinet

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If pre-fabricated stock cabinet systems are used to reduce cost and installation time, then ease of assembly is improved, but customization and aesthetic appeal are limited

Engineering Contradiction:
Improveassembly speedVSAvoidcustomization capability
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The hidden clamp and groove system serves multiple functions: it provides strong structural joints, maintains aesthetic appearance by hiding fasteners, and enables rapid assembly of custom-configured cabinet layouts, combining the benefits of stock and custom systems

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

Solution Approach 2:

The system allows customization through variation in configuration (number, size, and arrangement of modular pieces) rather than requiring custom manufacturing, achieving adaptability through combinatorial assembly of standardized components

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS10786076B2Modular cabinet with hidden clamping system
Publication Date: 2020.09.29 STACK RICHARD
  • US10786076B2 patent drawing
  • US10786076B2 patent drawing
  • US10786076B2 patent drawing

AI summary

The present invention includes a system for quickly and simply manufacturing semi-custom cabinetry utilizing a hidden pin joining system. The hidden pin joining system allows panels of the cabinet to quickly and securely join together, with significant load bearing ability. The different joining pin designs allow for different ways of discretely joining pieces together to create custom cabinetry during installation. The specially designed drill bits allow the system to work seamlessly. Using CAD/CAM machinery, the drill bits can cut stock pieces that can be taken to installation sites, and formed into custom cabinetry for kitchen, closets, or any other desired shelving units.