Sink Drying Rack with Notched Grid for Vertical Item Retention

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Solution Overview

Problem

Existing drying racks for kitchen sinks provide limited planar surface for supporting kitchen containers and accessories, and existing bottom sink grids do not effectively utilize vertical space for drying items while ensuring drainage.

Innovation Solution

An integrated drying system comprising a drying rack with varying parallel support spacings and a bottom grid with elongated notches that securely retain items in a vertical orientation, allowing for efficient use of space and drainage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of stationary object

If a traditional drying rack with uniformly spaced bars is used, then the structure is simple and easy to manufacture, but the drying surface area is limited and cannot accommodate large items vertically

Engineering Contradiction:
Improvedrying surface areaVSAvoidrack structure complexity
Core Design Contradiction:
Area of stationary objectVSDevice complexity

Solution Approach 1:

The drying rack is segmented into zones with different bar spacings: closely spaced bars in one direction for small items, and widely spaced bars in the perpendicular direction for inserting large items like cutting boards and sheet pans vertically, thereby expanding the effective drying surface area while maintaining structural simplicity

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The rack transitions from a traditional two-dimensional horizontal drying surface to a three-dimensional configuration by enabling vertical insertion of large items through the widely spaced bars, utilizing the vertical dimension to increase drying capacity without proportionally increasing the horizontal footprint

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Adaptability or versatility

If closely spaced bars are used throughout the drying rack, then small items are securely supported, but large items like cutting boards cannot be inserted vertically

Engineering Contradiction:
Improveitem size accommodationVSAvoidhorizontal space consumption
Core Design Contradiction:
Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The rack employs non-uniform bar spacing with different zones optimized for different item types: closely spaced bars in one direction provide support for small items, while widely spaced bars in the perpendicular direction enable vertical insertion of large items, allowing each zone to have the quality appropriate for its intended use

Inventive Principle:
Principle #3Local quality

3Reliability

If a bottom grid without notches is used, then the grid provides simple support and drainage, but items cannot be securely retained in vertical orientation

Engineering Contradiction:
Improveitem retention stabilityVSAvoidgrid structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

Elongated notches are introduced into the bottom grid to act as intermediaries that receive and secure the vertically inserted items, providing a mechanical interface between the drying rack bars and the items being dried, thereby improving retention stability without significantly complicating the grid structure

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS20260026673A1Integrated drying system for sink
Publication Date: 2026.01.29 KARRAN USA LLC
  • US20260026673A1 patent drawing
  • US20260026673A1 patent drawing
  • US20260026673A1 patent drawing

AI summary

An integrated drying system for a kitchen sink comprises a drying rack configured to rest above a basin of the sink, and a bottom grid configured to rest on the bottom of the basin. The drying rack includes a plurality of first parallel supports having a first spacing and a plurality of second parallel supports having a second spacing that is greater than the first spacing. At least one elongated notch is formed in the bottom grid. The at least one elongated notch has a width that is greater than the first spacing, and has a depth such that the notch extends downwardly from a primary plane defined by the bottom grid. When the drying rack is placed over a kitchen sink with the bottom grid resting in the basin, the second parallel supports of the drying rack are arranged parallel to the elongated notches of the bottom grid.