Rail-Mounted Unwinding Device for Flexible Lighting Profiles

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Solution Overview

Problem

The assembly of continuous-row lighting systems is complicated by the need to attach long, flexible components like wiring and translucent covers to a support rail arrangement, which requires frequent ladder use and is laborious due to the components being in a coiled, endless form for ease of transport and adaptation.

Innovation Solution

A mounting device that unwinds and fastens elongate structural units, such as flexible profile elements and covers, to the support rail arrangement using pressing and guide means, allowing for clamping and secure attachment without the need to hold the units during assembly, thus simplifying the process and reducing ladder use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If components are attached in the assembled state of the mounting rail arrangement, then secure attachment is achieved, but frequent ladder use and laborious assembly occur

Engineering Contradiction:
Improveattachment securityVSAvoidassembly labor
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The mounting device is set up beforehand on the mounting rail arrangement before the actual attachment process begins. This preliminary setup allows the device to remain stationary at an accessible height, eliminating the need for frequent ladder use during the attachment of through-wiring and lighting means along the entire length of the rail arrangement.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The mounting device acts as an intermediary between the installer and the mounting rail arrangement. It provides a stable platform at an accessible height where components can be attached to the rail arrangement without the installer needing to repeatedly climb ladders, thus reducing assembly labor while maintaining attachment security.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If through-wiring is fixed at regular intervals, then power supply is ensured, but multiple ladder climbs are required

Engineering Contradiction:
Improvepower supply continuityVSAvoidassembly time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The mounting device is prepared in advance and positioned on the mounting rail arrangement before the through-wiring attachment process begins. This preliminary setup enables the installer to work continuously from an accessible height, attaching wiring at regular intervals without needing to repeatedly climb ladders, thus reducing assembly time while ensuring power supply continuity.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The mounting device enables continuous attachment of through-wiring along the entire length of the mounting rail arrangement from a single accessible position. This continuity eliminates interruptions caused by repeated ladder climbs, reducing total assembly time while maintaining the required regular spacing for reliable power supply.

Inventive Principle:
Principle #20Continuity of useful action

3Ease of manufacture

If components are supplied in coiled form, then transport and length adaptation are easier, but handling during assembly becomes laborious

Engineering Contradiction:
Improvetransport convenienceVSAvoidassembly handling
Core Design Contradiction:
Ease of manufactureVSEase of operation

Solution Approach 1:

The mounting device serves as an intermediary that receives components in their convenient coiled form and facilitates their systematic attachment. The device provides a stable working platform where coiled components can be unrolled and attached along the mounting rail arrangement without the installer needing to manually handle and position long flexible components at height, thus maintaining transport convenience while improving assembly handling.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The mounting device enables the coiled components to essentially attach themselves to the mounting rail arrangement. By providing a stable platform and proper positioning, the device allows the flexible components to be systematically attached along the rail length without requiring continuous manual intervention and repositioning, thus improving assembly handling while maintaining the benefits of coiled supply format.

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP3359872B1Method and apparatus for mounting an elongate unit on a supporting rail arrangement
Publication Date: 2020.03.11 ZUMTOBEL LIGHTING GMBH
  • EP3359872B1 patent drawingFigure 1~3
  • EP3359872B1 patent drawingFigure 4
  • EP3359872B1 patent drawingFigure 5

AI summary

A method for mounting an elongate unit (130, 140, 150) in at least partially flexible form on a supporting rail arrangement (110) extending in a longitudinal direction involves the unit (130, 140, 150) to be mounted being made available in a manner coiled into a roll (200, 250). The unit (130, 140, 150) is then mounted by means of a fitting apparatus (10, 30) that is designed to be arranged on the supporting rail arrangement (110) and moved along the latter, the fitting apparatus (10, 30) carrying the unit (130, 140, 150) coiled into the roll in a rotatable manner and uncoiling said unit as it progresses along the supporting rail arrangement (110).