Automatic Chalkboard Eraser

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Topic Idea Presentation

ME 4182

Team: 5 + 1 Guys Engineering

Nathan Bessette,

Rahul Bhatia,

Andrew Cass,

Zeeshan Saiyed,

Glen Stewart

YJ Chok

Last Time

• Presented:

– Problem Statement

– Task Assignments

– Project Plan

– Design Partition

• Received critical review of deliverables

Revisions

• Problem Statement

– Focus Value Statement

– Adjust Wording http://www.prism.gatech.edu/~gth649t/problemsta tement.pdf

Revisions

• Design Partition

– Refined description

– Removed Implementation section http://www.prism.gatech.edu/~gth649t/designparti tion.pdf

Revisions

• Task Partition

– Refined task assignments http://www.prism.gatech.edu/~gth649t/taskassign ment.pdf

Revisions

• Project Plan

– Provided a specific timeline http://www.prism.gatech.edu/~gth649t/projectplan

.pdf

Design Question

• The question was posed:

– “…you should also think about how the eraser will get cleaned. Because the cleaning will be one driving factor.”

• Design Solution

– Eraser will be detachable to allow for quick removal and replacement

This Week

• Patent Search

– Pictures of patents

– Patent numbers

– General patent description

Chain AUTOMATED

BOARD ERASER

Patent No.:

US 6,948,210 B1

Date of Patent:

Sep. 27, 2005

Shaft

Eraser

Pulley

Brief Description: This patent is for a system for automatic erasure of a board embodied by a motor plus a pair of rods capable of being rotatably driven by the motor. Pulleys attached to each of the rods with an eraser member affixed to two belts provide horizontal erasing action.

Automatic

Chalkboard Eraser

Roller Track Patent No.:

US 3,731,335

Circular Wipers

Filing Date:

Jul 7, 1971

Chalk Board

Date of Issue:

May 1973

Drive Motor

Description: This patent is for an automatic chalkboard eraser which consists of a span of rotatably mounted erasers held against the board. Electric motors power the body of the system side to side and rotate the erasers which span the length of the board. Rollers at the top and bottom of the system facilitate transverse motion. There is a manual and automatic switch on the front which controls the mechanical motion.

Housing

Front View

APPARATUS AND

A METHOD FOR

AUTOMATICALLY

ERASING A

Sprayers

BLACKBOARD

Patent No.:

US 6,730,720 B1

Wipers

Cutaway

Date of Patent:

Apr. 16, 2002

Top View

Brief Description: This patent is a device that is meant to erase as well as clean a blackboard. The device moves horizontally with rotating brushes on a vertical axis. A washing liquid is also applied with wipers to clean the board after erasing the board.

Eraser for Whiteboard Marker

Patent No.: 6056468

Date Issued: 5/2/00

Felt strip

Mounting shaft

This patent was granted for a wiper blade style eraser tool for white boards. The wiper blade eraser can be used as a stand alone or it can be adapted onto an existing marker, as it has various cross-sections.

This patent is not the entirety of our invention but is a critical part in terms of eraser design for the automated whiteboard wiper to have the least amount of friction and the highest removal efficiency with the lowest number of passes.

Apparatus for cleaning blackboards

Date of Patent: Jun. 14, 1994 Patent No.: US 5,319,820

Brief Description: A system that utilizes a vertically sliding pivoting head mounted to a frame attached to the surrounding wall. The entire assembly can slide horizontally while the head can move vertically when cleaning the board. The head can be lifted off the surface for selective cleaning. The cleaning medium is sponge-like and removable.

Writing Board with an

Automatic Erase

Device

Patent No.:

US 5,607,312

Date of Patent:

Mar. 4, 1997

Brief Description: This device utilizes a frame, a driving roller and a supporting roller mounted on the frame to drive an endless writing sheet around. An elongated, fixed eraser which is extended along the width of the sheet is disposed in the touching of the back surface of the writing sheet. The written material is thus erased at the back while the sheet is being rolled.

Next Time

• Procure whiteboard

– Compare prices and purchase whiteboard

– Look into supporting building materials

• Concept designs

– Present different conceptual designs

• Drawings, descriptions, and key points

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