Patent ID: 6811024
Filing Date: 2004-11-02
Classification: B65B,B65G

Abstract:
A conveyor apparatus (10) for folding boxes (1) in boxing machines, the conveyor apparatus comprisingparallel conveyor chains (11 to 14) equipped with pusher lugs (18, 19) whereby a box (1) may be contained with positive engagement between leading and trailing pusher lugs (18, 19) of the conveyor chains (11 to 14), the position of the conveyor chains (11 to 14) and consequently of the pusher lugs (18, 19) in relation to one another being adjustable to adapt the format by means of a self-locking mechanism (35), the conveyor chains (11 to 14) connected to the leading pusher lugs (18) and those connected to the trailing pusher lugs (19) being respectively coupled to a cross sectionally polygonal adjusting shaft (41, 44) disposed in a stationary fashion in the housing frame (51), the adjusting shafts (41, 44) each supporting one adjusting element (42, 45) that is stationary and one that is disposed in a positively engaging fashion and can be moved on the adjusting shaft (41, 44), which adjusting elements (42, 45) cooperate with the conveyor chains (11 to 14) to move the chains in relation to one another, one adjusting shaft (41) supporting the self-locking mechanism (35) and being coupled to it, and the other adjusting shaft (44) being connected to the self-locking mechanism (35) by means of a transmission mechanism (47, 48, 49).