Modular Telescopic Oven Rail With Detachable Adapter

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Solution Overview

Problem

The existing rail extension devices for household appliances are not flexible enough to adapt to various applications, requiring multiple constructions and being costly due to the need for numerous specific designs, leading to high manufacturing and assembly efforts.

Innovation Solution

A rail extension device with a detachable adapter that can be connected to the rail, allowing for multiple configurations and functionalities, enabling the same rail design to be used in various configurations, reducing the need for multiple devices and simplifying assembly and maintenance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple different rail extension devices are designed for diverse household appliance applications, then adaptability to specific conditions is improved, but device complexity and manufacturing costs increase

Engineering Contradiction:
Improveadaptability to specific conditionsVSAvoidconstruction effort
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a universal rail extension device with standardized rails that can be used across different household appliance applications. The adapter serves multiple functions: it connects the standardized rail to the appliance wall, provides positioning stability, and enables the same rail design to be adapted to various specific conditions without requiring custom rail designs for each application.

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

Solution Approach 2:

The device is segmented into modular components: a standardized rail, a detachable adapter, and a sliding element. This segmentation allows the rail to be a separate, reusable component that can be paired with different adapters for different applications, reducing the need to design and manufacture complete custom rail extension devices for each specific condition.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If multiple different rail extension devices are manufactured for various applications, then specific functional requirements are met, but production costs and assembly effort increase

Engineering Contradiction:
Improvefunctional specializationVSAvoidproduction cost
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The standardized rail design serves as a universal base component that can be produced in large quantities for multiple applications. The adapter provides the functional specialization needed for different household appliance applications, allowing the same rail to be used across diverse applications while meeting specific functional requirements through adapter variation.

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

Solution Approach 2:

The detachable adapter design allows the standardized rail to be recovered and reused across different applications. Instead of discarding or custom-manufacturing complete rail extension devices for each application, the universal rail can be paired with different adapters, reducing production costs and assembly effort while maintaining functional specialization.

Inventive Principle:
Principle #34Discarding and recovering

3Ease of manufacture

If rail extension devices are designed with fixed configurations for specific applications, then manufacturing simplicity is improved, but flexibility for future modifications is reduced

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidflexibility for modification
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The adapter is designed with a detachable connection to the standardized rail, enabling dynamic reconfiguration. The rail extension device can be easily modified by removing the existing adapter and attaching a different adapter for new applications or expanded functionality, providing flexibility for future modifications while maintaining manufacturing simplicity through the standardized rail design.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The detachable adapter creates a clear separation between the permanent standardized rail and the application-specific adapter component. This segmentation allows the rail to remain a simple, easily manufactured component while the adapter provides the necessary adaptability for different applications and future modifications.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP2406547B1Telescopic rail device and muffle comprising said telescopic rail device
Publication Date: 2015.04.29 BSH HAUSGERATE GMBH
  • EP2406547B1 patent drawingFigure 1~2
  • EP2406547B1 patent drawingFigure 3~4

AI summary

The invention relates to a telescopic rail device comprising at least one first rail (6, 7) which is mobile relative to a second rail (6, 7), an adapter (8) for extending the rail (6, 7) being attachable to a rail (6, 7). The invention also relates to a muffle for an oven (1) comprising a telescopic rail device (4, 5).