Kitchen Tool Drawer Layout Around the Drive Unit

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Solution Overview

Problem

Existing kitchen appliances with tool drawers face issues of inefficient use of interior space, secure closure, ease of use, and cost-effective manufacturing, particularly due to the wear-out of elastic elements and high production costs associated with hinge-based solutions.

Innovation Solution

A kitchen appliance design featuring a tool drawer with a receiving area or recess that surrounds the drive unit, optimizing space usage and incorporating a plastic panel for flexibility and ease of cleaning, along with a locking mechanism for secure closure and vibration isolation, allowing for efficient storage and safe transport.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a tool drawer is designed to be securely held in closed position using elastic elements, then the drawer remains closed during transport, but the elastic element wears out quickly and reliable positioning cannot be guaranteed

Engineering Contradiction:
Improvesecure closure of drawerVSAvoidservice life of elastic element
Core Design Contradiction:
ReliabilityVSDuration of action of stationary object

Solution Approach 1:

The invention extracts the drawer from the housing in a way that eliminates the need for elastic retaining elements. The drawer can be completely removed from the housing, allowing tools to be accessed without opening the drawer while enabling complete removal for cleaning or replacement.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

Instead of using elastic elements to hold the drawer closed, the invention inverts the approach by allowing the drawer to be freely removable while using a lid with viewing area to access tools without opening the drawer. The closure security is achieved through the lid design rather than drawer retention.

Inventive Principle:
Principle #13The other way round (Inversion)

2Ease of operation

If hinges are used to close the housing lid, then user access to accessories is enabled, but production costs increase and additional production steps are required

Engineering Contradiction:
Improveuser access to toolsVSAvoidproduction complexity
Core Design Contradiction:
Ease of operationVSEase of manufacture

Solution Approach 1:

The invention merges the lid closure function with the viewing function by integrating a viewing area directly into the lid. This eliminates the need for separate hinge mechanisms while still allowing user access to tools through the viewing area.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The lid serves multiple functions: it closes the housing to protect tools, incorporates a viewing area for tool identification without opening, and can be made of transparent or translucent material to provide additional viewing capability. This multi-functionality replaces the need for complex hinge-based opening mechanisms.

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

3Volume of moving object

If the drive unit is surrounded by the tool drawer, then interior space is optimized, but the drawer structure becomes more complex

Engineering Contradiction:
Improvespace utilization in housingVSAvoiddrawer structure
Core Design Contradiction:
Volume of moving objectVSDevice complexity

Solution Approach 1:

The invention implements nesting by allowing the drawer to completely surround the drive unit when in the pushed-in position. The receiving area of the drawer encloses the drive unit, optimizing space utilization while maintaining a simple drawer structure that can be freely removed.

Inventive Principle:
Principle #7Nested doll (Nesting)

Data Source

PatentEP2429360B1Kitchen appliance having tool drawer
Publication Date: 2014.03.19 BSH HAUSGERATE GMBH
  • EP2429360B1 patent drawingFigure 1
  • EP2429360B1 patent drawingFigure 2~4
  • EP2429360B1 patent drawingFigure 5

AI summary

The present invention relates to a kitchen appliance having a tool drawer and a drive unit, according to the invention characterized in that the tool drawer (2) has a receiving region (12) and/or a recess (22) which, at least in sections, surrounds the drive unit (8) in an inserted position of the tool drawer (2). In this way, it is possible for the first time to completely stow away tools (30) of the kitchen appliance (1) in a compact drawer (2) by taking advantage of housing niches, without influencing the outer design.