Flat-Pack Table Assembly Using Sliding Interference Slots and Tongues
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Solution Overview
Problem
Existing flat-pack furniture is complex to assemble, requires tools, and consumes significant time and space, making it cumbersome for end-users.
Innovation Solution
A flat-pack table design that utilizes sliding interference slots and tongues, allowing for tool-free assembly in minimal steps, with components that fit within a compact package for storage and shipping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If traditional flat-pack furniture assembly methods are used, then furniture can be shipped compactly, but assembly becomes complex and time-consuming requiring tools
Solution Approach 1:
The furniture is divided into modular subassemblies (tabletop, legs, supports, shelves) that can be independently packaged and then quickly connected through simple interface mechanisms, maintaining compact shipping while enabling easy assembly
Solution Approach 2:
The complex fastening mechanisms are extracted and replaced with simple slide-and-snap interfaces. The interference slots and tongues are designed to be tool-free, removing the need for screws, bolts, or other complex assembly tools while maintaining structural integrity
2Volume of moving object
If traditional flat-pack furniture assembly methods are used, then furniture can be shipped compactly, but assembly requires significant time and space
Solution Approach 1:
The furniture components are pre-configured with integrated slide-and-snap interfaces during manufacturing. The interference slots and tongues are precisely formed and positioned, so that during assembly, users simply need to align and push components together, eliminating time-consuming fastening operations
Solution Approach 2:
The assembly process transitions from static, multi-step fastening to dynamic, single-motion insertion. The slide-and-snap mechanism allows components to be quickly connected through a single pushing motion, dramatically reducing assembly time while maintaining connection strength
3Volume of moving object
If traditional flat-pack furniture assembly methods are used, then furniture can be shipped compactly, but assembly requires tools
Solution Approach 1:
The slide-and-snap interfaces are designed to be self-aligning and self-locking. The interference slots and tongues automatically guide components into proper alignment and secure connections without requiring tools, clamps, or complex assembly procedures, making the system self-sufficient during assembly
Data Source
AI summary
A furniture piece includes a first furniture subassembly, a first fitting on the first furniture subassembly, a second furniture subassembly, and a second fitting on the second furniture subassembly. The second fitting is selectively attachable to the first fitting to secure the first furniture subassembly to the second furniture subassembly. One of the first fitting and the second fitting is a sliding interference slot with an open end and a blind end, and the other of the first fitting and the second fitting is a sliding tongue slidably introducible in the open end of the interference slot.