Light Well Attachment With Adjustable Height Receptacles

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Solution Overview

Problem

Existing light well arrangements face difficulties in accurate height adjustment during installation, leading to time-consuming rework, and stability issues due to inadequate support mechanisms.

Innovation Solution

An attachment system with a support and fastening section that includes multiple receptacles for adjustable height settings, allowing for easy adjustment after installation and providing stability through positive fit and rigid connection to the light well.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the light well is installed with fixed support elements clamped laterally by screw connection, then the attachment can be secured to the light shaft, but the height adjustment becomes difficult and time-consuming requiring rework

Engineering Contradiction:
Improveheight adjustmentVSAvoidinstallation time
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The support elements are designed with adjustable positioning capabilities, allowing the attachment to be moved vertically along the light shaft and secured at different heights. The receptacles with bearing surfaces enable the support elements to be positioned at predetermined heights while maintaining stable connection, transforming the static fixed connection into a dynamically adjustable system.

Inventive Principle:
Principle #15Dynamics

2Reliability

If the support elements are clamped laterally by screw connection, then the attachment can be attached to the light shaft, but the stability deteriorates over longer periods

Engineering Contradiction:
ImprovestabilityVSAvoidlong-term stability
Core Design Contradiction:
ReliabilityVSDuration of action of stationary object

Solution Approach 1:

The attachment is divided into multiple support elements that can be independently positioned and secured in receptacles along the light shaft. Each support element with its bearing surface provides discrete positioning points, allowing the system to achieve both stability and adjustability through modular segmentation rather than relying on a single clamping mechanism.

Inventive Principle:
Principle #1Segmentation

3Manufacturing precision

If the grating height is determined by jammed parts, then the attachment can be positioned, but the manufacturing precision is insufficient leading to incorrect height installation

Engineering Contradiction:
Improveheight positioning accuracyVSAvoidattachment manufacturing
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The receptacles are pre-formed in the attachment at specific positions corresponding to predetermined heights above the light shaft. These receptacles with bearing surfaces provide pre-established positioning points that guide the support elements to accurate heights during installation, eliminating the need for complex adjustment mechanisms while maintaining manufacturing simplicity.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP3002390B1Attachment for light shaft for cellars
Publication Date: 2018.11.07 MAUTHE
  • EP3002390B1 patent drawingFigure 1a~1d
  • EP3002390B1 patent drawingFigure 1e~1h
  • EP3002390B1 patent drawingFigure 2a~2d

AI summary

The invention relates to a device for holding a grating on a light well, wherein the device has a mounting section with a number of receptacles with respective bearing surfaces for adjusting the height. The invention further relates to a light well arrangement with such a device and to a development for manufacturing such a device.