Patent ID: 9200340
Filing Date: 2015-12-01
Classification: C21C,F23G,F27B,F27D,Y02P

Abstract:
1. A pusher comprising: a pusher main body configured to push forward a target object; a pusher main body cylinder connected to the pusher main body and configured to move the pusher main body forward and backward; a pusher carriage connected to the pusher main body cylinder and disposed underneath the pusher main body; a pusher carriage cylinder connected to the pusher carriage and configured to move the pusher carriage forward and backward and thereby translate the pusher main body, the pusher carriage cylinder having a pushing-out direction opposite to a pushing-out direction of the pusher main body cylinder so that the pusher main body is moved forward when the pusher main body cylinder is driven in the pushing-out direction and the pusher main body is moved backward when the pusher carriage cylinder is driven in the pushing-out direction; and an upper guide portion and a lower guide portion both attached to the pusher main body, wherein the pusher carriage moves forward and backward in between the upper guide portion and the lower guide portion.