Corner-Cabinet Shelf Segmentation for Simplified Pivoting Access

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Solution Overview

Problem

Corner spaces in kitchen cabinets are often underutilized due to kinematic limitations that prevent shelves from occupying the entire space, making it difficult to access the area efficiently.

Innovation Solution

The introduction of two shelves, each extending into a corpus area and part of the corner space, allowing them to pivot out of the door opening for easy access, thereby maximizing the use of the corner space with simple movement patterns.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of stationary object

If a single shelf occupies the entire surface area of the first corpus area and corner space, then the storage space is maximized, but the movement pattern becomes increasingly complicated due to kinematic constraints

Engineering Contradiction:
Improvestorage space utilizationVSAvoidmovement pattern complexity
Core Design Contradiction:
Volume of stationary objectVSDevice complexity

Solution Approach 1:

The corner cabinet is divided into two separate corpuses, each with its own shelf. The first corpus contains a shelf that can be pivoted out through its door opening, and the second corpus contains another shelf that can be pivoted out through its door opening. This segmentation allows each shelf to have a simpler, independent movement pattern while collectively maximizing the utilization of the entire corner space.

Inventive Principle:
Principle #1Segmentation

2Ease of manufacture

If the corner space is covered by a countertop, then the structure is simple, but the corner space remains unused and inaccessible

Engineering Contradiction:
Improvestructural simplicityVSAvoidusable storage space
Core Design Contradiction:
Ease of manufactureVSVolume of stationary object

Solution Approach 1:

Instead of using a static countertop to cover the corner space, the invention employs dynamic shelves that can be pivoted out through door openings. This allows the corner space to be fully utilized for storage while maintaining access to the stored items, transforming the static, unused corner space into dynamic, accessible storage areas.

Inventive Principle:
Principle #15Dynamics

3Ease of operation

If one corpus occupies both the first corpus area and the corner space, then the corner space becomes accessible, but the door opening remains comparatively narrow limiting shelf movement

Engineering Contradiction:
Improveaccess to corner spaceVSAvoiddoor opening width
Core Design Contradiction:
Ease of operationVSLength of moving object

Solution Approach 1:

The corner cabinet is segmented into two separate corpuses, each with its own door opening and shelf. This allows each door opening to be optimized for its specific shelf size and movement requirements, rather than one narrow door having to accommodate a large shelf spanning the entire corner space.

Inventive Principle:
Principle #1Segmentation

4Volume of stationary object

If two corpuses are arranged with one occupying the first corpus area and corner space, then the corner space forms part of the interior space, but the movement pattern becomes complicated

Engineering Contradiction:
Improvecorner space utilizationVSAvoidshelf movement mechanism
Core Design Contradiction:
Volume of stationary objectVSDevice complexity

Solution Approach 1:

The corner space is divided between two separate corpuses, with each corpus containing a shelf that can be independently pivoted out through its own door opening. This segmentation simplifies the movement mechanism for each shelf while collectively achieving comprehensive corner space utilization.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS11185160B2Corner-cabinet arrangement
Publication Date: 2021.11.30 NINKAPLAST
  • US11185160B2 patent drawing
  • US11185160B2 patent drawing
  • US11185160B2 patent drawing

AI summary

A corner-cabinet arrangement having two corpus areas which are rectangular in plan view and each of which has a front with a door, the fronts running together at right angles in an inside corner such that the two corpus areas enclose between them a corner space that is rectangular in plan view, the arrangement including a shelf which extends in a first one of the corpus areas and in a part of the corner space and, when the door is open, can be pivoted out of the door opening of the corpus-area, the second corpus area also having a shelf that extends in this corpus area and in another part of the corner space, and, when the door is open, can be pivoted out of the door opening of the corpus area, wherein pivotal axes of the two shelves are different from one another.