Modular Door Drive Rail with Integrated Conductor Tracks

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Solution Overview

Problem

Existing drive systems for gates, such as garage doors, face limitations in flexibility and ease of installation, with complex power supply arrangements and structural integration, which hinder efficient operation and installation on various door designs.

Innovation Solution

A modular drive system featuring conductor tracks integrated into a rail with metal inserts, allowing flexible attachment to guide rails and simplified power supply through end-contacting modules, along with a C-shaped profile for mechanical and electrical separation, and a traction mechanism using a chain or belt for carriage movement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conductor tracks are integrated into the guide rail structure, then power supply reliability is improved, but device complexity increases

Engineering Contradiction:
Improvepower supply reliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The guide rail is segmented into modular sections, with conductor tracks integrated into specific segments. This allows the power supply system to be divided into discrete, manageable units that can be independently installed and maintained, reducing overall system complexity while ensuring reliable power delivery to the carriage.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The conductor tracks are merged with the guide rail structure to form an integrated power and guidance system. This combination eliminates the need for separate power supply infrastructure, reducing device complexity while improving power supply reliability through the unified design.

Inventive Principle:
Principle #5Merging (Combining)

2Ease of manufacture

If the drive system is designed for quick installation on different door systems, then ease of manufacture is improved, but manufacturing precision may be compromised

Engineering Contradiction:
Improveease of installationVSAvoidinstallation precision
Core Design Contradiction:
Ease of manufactureVSManufacturing precision

Solution Approach 1:

The drive system components, particularly the guide rail and carriage assembly, are designed with universal mounting features that allow installation on various door system types. Standardized interface elements enable quick adaptation to different applications while maintaining precise alignment through engineered tolerances and self-centering mechanisms.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

Critical alignment and positioning features are pre-configured during manufacturing, such as pre-drilled mounting holes with precise spacing and pre-assembled carriage components. This preliminary preparation enables rapid field installation while ensuring manufacturing precision is maintained through factory-controlled assembly of critical dimensions.

Inventive Principle:
Principle #10Preliminary action

3Reliability

If metal inserts are used for conductor tracks, then electrical conductivity is improved, but mechanical complexity increases

Engineering Contradiction:
Improveelectrical conductivityVSAvoidmechanical complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The guide rail system utilizes composite construction with metal inserts embedded in a structural matrix. The metal inserts provide excellent electrical conductivity for the conductor tracks, while the surrounding structural material provides mechanical support. This composite approach delivers superior electrical properties without significantly increasing mechanical complexity, as the inserts are integrated into the existing rail structure.

Inventive Principle:
Principle #40Composite materials

Data Source

PatentEP2382365B1Drive system for a door
Publication Date: 2013.03.20 SOMMER ANTRIEBS & FUNKTECHNIK GMBH
  • EP2382365B1 patent drawingFigure 1
  • EP2382365B1 patent drawingFigure 2a
  • EP2382365B1 patent drawingFigure 2b

AI summary

The invention relates to a drive system (1) for a door (2), wherein the door leaf is guided laterally in guide rails (3). A carriage (4), which is connected to the upper edge of the door leaf in an articulated manner, is guided along one of the guide rails (3). Conductive tracks running along the guide rail (3) are provided for supplying power to a motor (5) driving the carriage (4), wherein said conductive tracks can optionally be contacted at the front or back ends thereof.