AUTOMATIC CHALKBOARD CLEANER AND DUSTER CLEANER
Keywords:
Chain and Sprocket Mechanism, Limit switches, PlasticAbstract
As conventional chalkboards are widely used mostly all over the world which are cleaned with the help of manually operated duster or is in use of erasing data on boards. This tends to formed dust particles to scatter in the air, which affects on human body to avoid these problems caused by dust, automatic black board erasing machine is being modified now a days. The sliding motion is provided to slider with the use of electronic devices such as motors and chain and sprocket mechanism is used for transmitting motion further as to work done should be carried out in properly working manner, which also tends to increment in human comfort, by avoiding the effortiveaction carried out by a teacher to erase the data on boards but it seems very comfortable with the help of automatic black board cleaner, because it helps in cleaning the board in such way that the whole black board is cleaned in one stroke by just pressing one button and is easily operated using limit switches to stop the motion of slider when it is at extreme positions.

