Wired cleaning device

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Solution Overview

Problem

Corded cleaning devices, such as vacuum cleaners, face issues during short transport routes where cables can become loose, tangled, or trapped, leading to potential damage and repair needs due to the impracticality of winding or unwinding cables for each cleaning point.

Innovation Solution

A corded cleaning device equipped with a winding device actuated by a control element and a cable hook that can be locked in a closed position using the control element, preventing the cable from slipping off during transport, and allowing easy stowage and retrieval.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the cable is left loose on the cable hook for short transport routes, then the cable can be quickly accessed and stored, but the cable may unintentionally come loose, slip down, or become tangled

Engineering Contradiction:

Improvecable storage and retrievalVSAvoidcable position stability

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The control element automatically performs the dual function of winding the cable and forming a closure for the cable hook when actuated, eliminating the need for separate manual operations to secure the cable

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The control element integrates two functions: it acts as both the actuator for the winding device and the closure element for the cable hook, combining what would traditionally be separate components into a single integrated element

Inventive Principle:

Principle #5Merging (Combining)

2Reliability

If the cable is completely wound up using a winding device for short transport routes, then the cable is securely stored, but the process takes too long considering the cable length and short transport distance

Engineering Contradiction:

Improvecable storage securityVSAvoidcable winding time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The system allows the cable to remain partially unwound and hanging on the cable hook for short transport routes, rather than requiring complete winding, thus achieving sufficient security without the time cost of full winding

Inventive Principle:

Principle #16Partial or excessive action

Solution Approach 2:

The system dynamically adapts cable management based on needs: the cable can be fully wound when security is paramount, or left partially unwound on the hook for quick access during short transports, with the control element adapting its position accordingly

Inventive Principle:

Principle #15Dynamics

3Reliability

If the cable is completely unwound at a new cleaning point to prevent overheating, then cable safety is maintained, but the process takes time and the cable must be re-stowed

Engineering Contradiction:

Improvecable safetyVSAvoidcable unwinding and re-stowing time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The cable is pre-positioned on the cable hook in a ready state before transport, allowing immediate use at the new cleaning point without requiring time-consuming unwinding or re-stowing operations

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentEP3785592B1Wired cleaning device

Publication Date: 2022.05.18 SPRINTUS

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Figure 3a~3c

AI summary

Corded cleaning device (10), in particular a vacuum cleaner, with a winding device (20) for a cable (30) which can be operated via a control element (21) and a cable hook (40) arranged on an outside of the cleaning device (10), wherein the control element (21) in a locking position forms a closure for the cable hook (40).