Baluster Joint Block With Inclined Base And Locking Aperture

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Solution Overview

Problem

Conventional baluster installation requires precise dimensions and professional labor due to the need for accurate recessed openings, leading to increased costs and complexity.

Innovation Solution

A baluster joint block with a base featuring protrusions and positioning apertures, and a baluster assembly with indentions and a jointing section, allowing for direct insertion and secure locking without requiring precise opening dimensions, using a locking member and assembling aperture for simplified installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If recessed openings are used for baluster installation, then the baluster can be smoothly inserted, but the opening dimensions and depth must be precisely accurate, increasing manufacturing complexity and cost

Engineering Contradiction:
Improvebaluster insertion smoothnessVSAvoidopening dimension accuracy
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The patent introduces a joint block as an intermediary component between the surface and the baluster. The joint block includes a base with an inclined surface that facilitates smooth baluster insertion, while the positioning apertures and protrusions ensure accurate alignment. This mediator transfers the insertion function from the surface opening to the joint block itself, allowing the surface opening to be simpler and less precise.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent divides the installation system into separate functional components: the joint block (with base and baluster assembly), the surface opening, and the baluster. By segmenting the functions, the complex requirements of smooth insertion and precise positioning are distributed to the joint block components rather than requiring the surface opening to fulfill all requirements simultaneously.

Inventive Principle:
Principle #1Segmentation

2Reliability

If recessed openings with precise dimensions are used, then baluster installation is structurally sound, but professional labor is required and installation costs increase

Engineering Contradiction:
Improveinstallation structural soundnessVSAvoidinstallation process complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The joint block incorporates self-aligning features through positioning apertures and protrusions that automatically guide the baluster into the correct position during insertion. The inclined surface on the base provides self-guidance for smooth insertion without requiring precise manual positioning. This self-service mechanism reduces the need for professional installation labor while maintaining structural reliability.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The joint block is pre-assembled with the base and baluster assembly connected through positioning features before installation. The positioning apertures and protrusions are pre-configured to ensure correct alignment, and the locking aperture is pre-positioned for secure fastening. This preliminary preparation simplifies the on-site installation process while ensuring structural integrity.

Inventive Principle:
Principle #10Preliminary action

3Measurement precision

If precise opening dimensions are required, then baluster fit is accurate, but fabrication costs and errors increase

Engineering Contradiction:
Improvebaluster fit accuracyVSAvoidfabrication cost and complexity
Core Design Contradiction:
Measurement precisionVSEase of manufacture

Solution Approach 1:

The joint block serves as a mediator that absorbs the precision requirements. Instead of requiring the surface opening to be precisely dimensioned to match the baluster, the joint block's base with its inclined surface and positioning features provides the precision interface. The surface opening only needs to accommodate the joint block, which simplifies fabrication while maintaining accurate baluster fit through the joint block's pre-configured positioning apertures and protrusions.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS10344483B2Baluster joint block
Publication Date: 2019.07.09 LILUN PLASTICS ENTERPRISE
  • US10344483B2 patent drawing
  • US10344483B2 patent drawing
  • US10344483B2 patent drawing

AI summary

A baluster joint block has a base and a baluster assembly, the base further comprising a plurality of protrusions, a plurality of positioning apertures and a first locking aperture disposed at a center position of the base; a lower end of the base provided with an inclined surface; a bottom end of the baluster assembly further comprising a plurality of indentions, a plurality of positioning points and a jointing section, a containment space formed between the jointing section and the baluster assembly, a second locking aperture disposed at a center position of a top surface of the jointing section, and a plurality of strips disposed on an outer surface of the jointing section, the plurality of indentions and the positioning points of the baluster assembly correspondingly matching the plurality of protrusions and the positioning apertures such that the baluster assembly engages with the base to form a connecting block.