Patent ID: 9598255
Date: 2017-03-21
CPC Classifications: B65G,B65H,H05K

Claim:
1. 1 . An apparatus of receiving and discharging a material, the apparatus comprising: a receiving part which receives a material supplied from outside; a supply part which is provided at an end of the receiving part and through which the material is supplied to the receiving part; a door part which is provided at another end of the receiving part and configured to be opened to the outside; a fixing part which is provided at a location adjacent to the door part and maintains the receiving part in a closed state until an internal pressure of the receiving part reaches a predetermined pressure level; and a pressure transmitting part which is provided at one side of the receiving part and configured to be shifted by the internal pressure of the receiving part so that one end of the pressure transmitting part to contact the door part to open the door part to the outside, wherein the pressure transmitting part comprises: a pressure sensing unit which is provided adjacent to the supply part and is configured to protrude toward the inside of the receiving part so as to sense the internal pressure of the receiving part; and a pressing unit which is provided adjacent to the door part, is connected to the pressure sensing unit and is configured to contact the door part to open the door part to the outside if a sum of a force applied to the door part to the outside by the internal pressure of the receiving part and a force applied to the door part by the pressure transmitting part pressing the door part to the outside is greater than a force of fixing the door part to the fixing part.