Fold-In-Half Table Locking Mechanism for Easy Storage

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Solution Overview

Problem

Conventional banquet tables are bulky, difficult to store, and require significant space due to their large size, making them inconvenient and costly to move and transport, and they often lack the strength to support heavy loads and are cumbersome to set up and fold.

Innovation Solution

A folding table design featuring a blow-molded plastic table top and movable support structures that can be easily collapsed and expanded, with a locking mechanism that simplifies the process of securing the table in use or storage positions, allowing for compact storage and transportation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If conventional banquet tables are made with large table tops and folding legs, then the tables can be used in assembly halls and banquet halls, but the tables require large storage area and are difficult to move

Engineering Contradiction:
Improveload supporting capabilityVSAvoidease of moving and storing
Core Design Contradiction:
StrengthVSEase of operation

Solution Approach 1:

The table top is divided into two sections that can be folded relative to each other, allowing the table to be collapsed to a fraction of its original size while maintaining full surface area when deployed. This segmentation enables the table to transition between a large banquet table and a compact storage form.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The table incorporates movable support structures and folding mechanisms that allow dynamic transformation between extended and collapsed states. The support structures can be moved to different positions to accommodate both full deployment and compact storage configurations.

Inventive Principle:
Principle #15Dynamics

2Productivity

If conventional banquet tables are made with extended length, then the tables can accommodate large groups, but the tables are difficult to transport and require oversized vehicles

Engineering Contradiction:
Improveseating capacityVSAvoidease of transportation
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The table top is segmented into foldable sections that can be collapsed together, reducing the overall length from several feet to a compact size that fits in standard vehicles. The segmentation allows the table to maintain its full seating capacity when deployed while minimizing transportation footprint.

Inventive Principle:
Principle #1Segmentation

3Ease of manufacture

If conventional fold-in-half tables are made with weaker connections, then the tables are easier to manufacture, but the tables cannot support significant weight and may break under load

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidweight bearing capacity
Core Design Contradiction:
Ease of manufactureVSStrength

Solution Approach 1:

The table employs movable support structures that can be positioned to provide optimal support when the table is deployed, and that automatically retract when collapsed. This dynamic support system maintains structural integrity under load while preserving the simplicity of the folding mechanism during manufacturing.

Inventive Principle:
Principle #15Dynamics

4Device complexity

If conventional folding tables lack a locking mechanism, then the structure is simpler, but the table is difficult to secure in use position and cumbersome to set up and fold

Engineering Contradiction:
Improvestructural simplicityVSAvoidease of setup and folding
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The locking mechanism is designed to automatically engage when the support structures are moved to the extended position, and automatically disengage when collapsed. This self-locking feature eliminates the need for manual locking operations while maintaining structural simplicity and providing secure positioning during use.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS8904943B2Folding table with locking mechanism
Publication Date: 2014.12.09 LIFETIME PRODUCTS
  • US8904943B2 patent drawing
  • US8904943B2 patent drawing
  • US8904943B2 patent drawing

AI summary

A foldable table may include a table top and legs that are movable between an extended position and a collapsed position. The table top may include a first section and a second section that are connected by a hinge assembly. A locking member may be sized and configured to lock the hinge assembly in a fixed position. Advantageously, moving the legs between the extended and collapsed positions may cause the locking mechanism to move between the locked and unlocked positions. Thus, when the legs are in the extended position and the locking mechanism is in the locked position, the table top may be secured in the unfolded position.