Segmented Flossing Device with Breakaway Bridge and Countersunk Apertures

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Solution Overview

Problem

Current flossing devices are limited in application, too large, not disposable, difficult to use, expensive, and fail to adequately clean between teeth, often damaging gums and requiring significant manual dexterity.

Innovation Solution

A flossing device comprising a pair of elongated members coupled by a breakaway bridge, with a floss string extending through countersunk apertures that trap the ends, allowing easy separation and retraction for effective cleaning between teeth.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional flossing devices are used, then cleaning effectiveness between teeth is improved, but device complexity and manual dexterity requirements increase

Engineering Contradiction:
Improvecleaning effectivenessVSAvoidmanual dexterity requirements
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The flossing device is divided into two separate elongated members (first and second members) that can be independently manipulated. This segmentation allows each member to be controlled by a different hand, reducing the manual dexterity required compared to traditional single-piece flossing devices that require coordinated two-handed manipulation.

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If floss string is extended through countersunk apertures, then ease of operation is improved, but device complexity increases

Engineering Contradiction:
Improveease of separationVSAvoidaperture structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The floss string is pre-installed through the countersunk apertures during manufacturing, with the ends extending beyond the members. This preliminary action eliminates the need for users to thread the floss themselves, significantly easing operation. The countersunk aperture design automatically traps the floss ends, providing a simple yet effective solution that does not require complex user assembly.

Inventive Principle:
Principle #10Preliminary action

3Ease of operation

If breakaway bridge coupling is used, then ease of operation is improved, but manufacturing precision requirements increase

Engineering Contradiction:
Improveease of separationVSAvoidbreakaway point consistency
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The breakaway bridge is pre-formed during manufacturing with a designated weak point that will fracture under user-applied stress. This preliminary preparation ensures that the bridge reliably separates when the user pulls the members apart, providing consistent ease of operation. The bridge design incorporates a controlled fracture point that requires minimal manufacturing precision while ensuring predictable breakage.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS9271814B2Flossing device
Publication Date: 2016.03.01 GUMCHUCKS HOLDINGS LLC
  • US9271814B2 patent drawing
  • US9271814B2 patent drawing
  • US9271814B2 patent drawing

AI summary

A flossing device and a method of manufacture thereof, consisting of a first elongated member and a second elongated member that is removably coupled to the first elongated member along an interior side of a top region of the first elongated member. The flossing device includes a floss member coupled to the second elongated member and extending through an aperture of the first elongated member. The floss member includes a first enlarged stop member at an end distal from the second elongated member and sized to fit within a countersunk enlarged channel but not fit through a narrow channel in communication with the enlarged channel.