Extendable Dry-Erase Board with Telescoping Handle

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Solution Overview

Problem

Conventional dry-erase boards are not collapsible or portable enough for easy transport and use in various events or gatherings, lacking an extendable hand-held support handle for prominent display.

Innovation Solution

An extendable dry-erase board with a telescoping hand-held support handle pivotally connected to an accordion-folding board, allowing it to collapse into a compact form for easy transport and unfold into a large display surface.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional dry-erase boards are made as permanent or semi-permanent installations, then they provide stable writing surfaces, but they become bulky and not portable for transport to events

Engineering Contradiction:

Improvestability of writing surfaceVSAvoidportability for transport

Core Design Contradiction:

ReliabilityVSLength of moving object

Solution Approach 1:

The dry-erase board is divided into multiple panels that can be folded together like an accordion. This segmentation allows the board to be collapsed into a compact form for portability while maintaining a large writing surface area when deployed for stable writing

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The board transitions from a static, fixed structure to a dynamic, foldable structure with hinges connecting panels. This allows the board to adapt between two states: expanded for stable writing and collapsed for portable transport

Inventive Principle:

Principle #15Dynamics

2Strength

If conventional display boards are made as assembled stick and board structures, then they provide rigid support, but they cannot be easily folded without damaging structure and appearance

Engineering Contradiction:

Improverigid support structureVSAvoidease of folding

Core Design Contradiction:

StrengthVSEase of operation

Solution Approach 1:

The board uses flexible hinges connecting rigid panels, allowing the structure to bend and fold without breaking. The hinges provide controlled flexibility that enables easy folding while maintaining structural integrity and rigid support when extended

Inventive Principle:

Principle #30Flexible shells and thin films

3Strength

If conventional dry-erase boards are made heavy for durability, then they provide robust construction, but they are not designed to be hand-held for extended periods

Engineering Contradiction:

Improverobust constructionVSAvoidhand-held portability

Core Design Contradiction:

StrengthVSWeight of moving object

Solution Approach 1:

The board is divided into multiple lighter panels rather than one large heavy piece. Each panel is lighter and easier to handle, and when assembled with hinges, they provide distributed structural support that maintains robustness while reducing overall hand-held weight

Inventive Principle:

Principle #1Segmentation

4Loss of information

If conventional signs use permanently written messages on board, then they provide clear messaging, but users cannot modify or erase messages for different uses

Engineering Contradiction:

Improvemessage clarityVSAvoidmessage modification capability

Core Design Contradiction:

Loss of informationVSAdaptability or versatility

Solution Approach 1:

The board surface changes from a permanent state to an erasable state, allowing the writing surface to be cleared and rewritten multiple times. This parameter change enables the same physical board to convey different messages for different events and purposes while maintaining clear visibility

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS11065908B2Extendable hand-held dry-erase sign

Publication Date: 2021.07.20 SCHORR III JEROME OTTO

AI summary

An extendable dry-erase board with a telescoping hand-held support extension handle pivotally-connected at one end to an accordion-folding dry erase board. The device can be easily transported by those traveling via bus, bicycle, walking, etc. to any sporting event, concert, or public demonstration and deployed instantly on-site, the dry-erase board being unfolded into a large prominent sign whereupon a message can be inscribed on the board, erased and rewritten as needed.