Retractable Dry Erase Screen Mounting Assembly

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Solution Overview

Problem

Existing dry erase boards are permanently mounted, making them unsightly and susceptible to damage when not in use, and limit information display to a single surface, requiring erasure for changes.

Innovation Solution

A mounting assembly with rollable dry erase screens housed within a casing that can be extended and retracted, featuring roller bars with helically wound torsion springs and a retention arm for secure storage and easy access, allowing multiple screens to be hidden from view when not in use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If dry erase boards are permanently mounted to a wall, then they are always visible and accessible for writing, but they become unsightly and distracting when not in use, and susceptible to damage

Engineering Contradiction:
ImproveAccessibility of dry erase boardVSAvoidAesthetic distraction and vulnerability to damage
Core Design Contradiction:
Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The dry erase board is transformed from a static permanently mounted surface to a dynamic retractable screen that can move between hidden and visible states. The screen is mounted on a roller mechanism with torsion springs that allow it to be pulled down for use and automatically retract when released, enabling the board to adapt its position based on usage needs.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The dry erase writing surface is extracted from its traditional permanent wall mounting and separated into a独立的 retractable screen component. This allows the writing surface to be removed from the visible field when not in use, eliminating the aesthetic distraction and vulnerability to damage while maintaining full functionality when needed.

Inventive Principle:
Principle #2Taking out (Extraction)

2Adaptability or versatility

If a single dry erase board is mounted on a wall, then it provides a surface for writing information, but it limits information display to a single surface and requires erasure for changes

Engineering Contradiction:
ImproveInformation display capabilityVSAvoidSingle surface limitation
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The single dry erase board is segmented into multiple separate screens that can be independently deployed. Each screen can be pulled down and used separately, allowing multiple different information displays to be available simultaneously or sequentially without requiring erasure of a single shared surface.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The mounting assembly is designed to support multiple dry erase screens, making the system multi-functional. Each screen serves as an independent information display surface, and the system can accommodate different screen sizes and configurations to meet various information presentation needs.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If multiple dry erase boards are mounted separately on a wall, then multiple information surfaces are available, but they occupy significant wall space and are always visible

Engineering Contradiction:
ImproveMultiple information surfacesVSAvoidWall space occupation
Core Design Contradiction:
Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

Multiple dry erase screens are nested within a single vertical mounting assembly, similar to how nested dolls contain one another. The screens are stacked in a compact configuration within the mounting structure, allowing multiple information surfaces to be housed in a single footprint area rather than requiring separate wall space for each board.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The mounting system transitions from a horizontal wall-space-consuming arrangement to a vertical space-efficient configuration. Multiple screens are arranged vertically within the mounting assembly, utilizing the vertical dimension to accommodate multiple information surfaces without increasing horizontal wall occupation.

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

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Provides an aesthetically pleasing and damage-resistant solution for displaying information with multiple surfaces, enabling easy extension and retraction of screens, facilitating organized information presentation and feedback.

Implementation Method 1

at least one helically wound torsion spring operatively connected to the roller bar to drivingly rotate the roller in at least one direction of rotation

Methodology Applied
Scientific EffectTorsion spring: Torsion Spring

Data Source

PatentUS11740653B1Mounting assembly comprising a plurality of retractable screens
Publication Date: 2023.08.29 SPENCER WILLIAM B
  • US11740653B1 patent drawing
  • US11740653B1 patent drawing
  • US11740653B1 patent drawing

AI summary

The invention is directed to a system of presenting and displaying information in a home office or executive environment. The system includes an outer casing that houses a plurality of pull-down screens. In use, the screens can be extended in a downward direction from the open lower face of the casing. Advantageously, the assembly provides a storage configuration where a plurality of pull-down screens are hidden from view within the interior of the casing. The assembly also includes a use configuration where one or more screens extend from the bottom face of the casing, allowing information/ideas to be exchanged and conveyed.