Railing Assembly Snap-Fit Spacer and Rod Locking Mechanism

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Solution Overview

Problem

Conventional railing assemblies face challenges in efficient and secure connection methods between balusters and rails, leading to instability and complexity in assembly processes.

Innovation Solution

The improved railing assembly employs snap-fit connectors with spacers and rods that penetrate locking apertures on balusters, allowing for secure longitudinal alignment and locking, simplifying the assembly process through a series of force applications to latch and insert the spacers onto rails and balusters.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If conventional connection methods are used between balusters and rails, then assembly simplicity may be maintained, but connection strength and stability deteriorate

Engineering Contradiction:
Improveconnection strengthVSAvoidassembly complexity
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The connection system is divided into distinct functional components: spacers that provide positioning and initial support, and rods that provide the primary locking connection through locking apertures. This segmentation allows each component to specialize in a specific function, achieving strong connections while maintaining relatively simple assembly procedures.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The rod penetrates through the spacer and locks into the baluster through the locking aperture, creating a nested structure where the rod is partially contained within the spacer assembly. This nested configuration provides both positioning (via spacer) and locking (via rod) functions in a compact arrangement.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Reliability

If complex connection mechanisms are used, then connection stability is improved, but assembly efficiency deteriorates

Engineering Contradiction:
Improveconnection stabilityVSAvoidassembly efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The spacers are designed to be installed first, performing the preliminary action of positioning and supporting the balusters at the correct spacing intervals. This preliminary positioning simplifies the subsequent rod installation, as the balusters are already correctly positioned, thereby improving overall assembly efficiency while maintaining connection stability.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The spacer acts as an intermediary component between the rod and the baluster. It provides a convenient interface for rod insertion and locking, mediating the connection process in a way that is both stable and efficient. The spacer's design facilitates easy rod insertion while ensuring reliable locking.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of operation

If simple fastening methods are used, then assembly ease is improved, but structural integrity deteriorates

Engineering Contradiction:
Improveassembly easeVSAvoidstructural integrity
Core Design Contradiction:
Ease of operationVSStability of the object's composition

Solution Approach 1:

The connection system transitions from a static fastening approach to a dynamic two-stage process: first, spacers are easily attached to provide initial positioning and support; second, rods are inserted and locked to provide permanent structural integrity. This dynamic approach allows for ease of operation during installation while ensuring long-term structural stability.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The rod design incorporates self-locking features where the rod itself serves to both connect and secure the assembly. Once inserted through the spacer and into the locking aperture, the rod's presence and positioning automatically provide the structural integrity needed, without requiring additional fastening operations.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS11268285B2Railing assembly
Publication Date: 2022.03.08 IMPERIAL MFG GRP
  • US11268285B2 patent drawing
  • US11268285B2 patent drawing
  • US11268285B2 patent drawing

AI summary

The present disclosure provides for a railing assembly further comprised of a top and bottom rail separated by balusters. The balusters are connected to one another by means of spacers, which are in turn connected to both the top and bottom rails by means of a snap-fit connection. A method of assembly of the rail assembly is also disclosed, comprised of snap-fitting the spacers to the top and bottom rails and installing the balusters in between pairs of adjacent spacers, and repeating this process for a given length of the top and bottom rails.