Patent ID: 6880309
Filing Date: 2005-04-19
Classification: B31B,B65B

Abstract:
1. Device for closing a front flap in a self-dimensioning machine for closing upper flaps of parallelepiped boxes, said device comprising a base with a support surface for the boxes, a couple of drive belts placed at two sides of said support surface to make a drive engagement with sides of the boxes, a head above said support surface carrying closing devices for closing front, rear and side flaps of the boxes and commanded to descend from a rest position to engage with the upper flaps of the boxes and provide for closing the upper flags of the boxes, and means for detecting position and horizontal dimensions of the boxes for automatic command of movements of the machine, a rod for straightening and partially closing the front flap, that is pivoted on said head and is stressed to keep itself flexibly in a vertical position, a vertically mobile touching group for detecting a height of the boxes in an advancement direction of the boxes, a longitudinal central guide for completing the closing of the front flap, which is carried by said touching group so as to position itself in a horizontal position above said support surface at a height corresponding to the height detected of the boxes for meeting the front flap partially closed by said straightening rod and to complete its movement to the closing position, said longitudinal central guide being linked to said touching group so as to find itself normally in an inclined position in relation to a horizontal position, and being fitted with means for commanding its movement to said horizontal position.