Dual Flush Handle Control With Detachable Activation Assemblies

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Solution Overview

Problem

Existing dual flush toilet systems often come with activation controls that are not preferred by customers, lacking flexibility and user convenience in initiating flush modes.

Innovation Solution

The development of a dual flush toilet system with detachable push button and rotary handle activation assemblies that convert user input into linear or rotational motion to control the dual flush assembly, allowing for quick and full flush modes, and a dual-input activation assembly that combines push button and rotary handle inputs for flexible operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a dual flush assembly is provided with a fixed activation control, then the system structure is simple, but the user cannot select preferred activation methods

Engineering Contradiction:

Improveactivation method selectionVSAvoidsystem structure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The activation control is divided into separate detachable assemblies (push button assembly and rotary handle assembly) that can be independently selected and attached to the dual flush assembly, allowing users to choose their preferred activation method without increasing overall system complexity

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The dual flush assembly is designed with a universal mounting interface that can accommodate multiple types of activation controls (push button and rotary handle), enabling the same flush mechanism to support different user preferences through detachable assemblies

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Ease of operation

If detachable activation assemblies are provided, then user convenience is improved, but the device complexity increases

Engineering Contradiction:

Improveuser convenienceVSAvoidassembly structure

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The activation assemblies are designed to be detachable and interchangeable, transforming a static fixed-control system into a dynamic one where users can adjust and replace controls according to their preferences, thereby improving ease of operation

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The detachable activation assemblies are designed to nest within or attach to the existing dual flush assembly structure, allowing for easy installation and removal without requiring separate complex mounting systems

Inventive Principle:

Principle #7Nested doll (Nesting)

Data Source

PatentUS9896830B2Dual flush handle control

Publication Date: 2018.02.20 DANCO INC

AI summary

Disclosed are various embodiments for a dual flush handle system. A first handle lever is configured to rotate in a direction by a first predetermined angle of rotation to initiate a first flush of a toilet. A second handle lever is configured to rotate in the direction about a second predetermined angle of rotation to initiate a second flush of a toilet.