Patent ID: 6298980
Filing Date: 2001-10-09
Classification: B31B,B65B,B65G,B65H

Abstract:
A conveyor for arranging and feeding sheet materials such as plastic bags in a feeding direction, said sheet materials being successively discharged into a discharge position, said conveyor comprising:first sprocket or pulley means disposed near said discharge position;second sprocket or pulley means disposed downstream of said first sprocket or pulley means in said feeding directions;endless chain or belt means stretched between said first and second sprocket or pulley means;a plurality of receivers spaced at a distance from each other along said endless chain or belt means and mounted on and fixed to said endless chain or belt means to extend outwardly of and vertically to said endless chain or belt means, one of said receivers being disposed at said discharge position to receive said sheet materials successively discharged, said receivers being intermittently moved by said endless chain or belt means around said first sprocket or pulley means to feed said sheet materials and make them stand whenever a number of sheet materials are discharged into said discharge position and stacked on the receiver disposed at said discharge position, said receivers being intermittently moved by said endless chain or belt means between said first and second sprocket or pulley means to feed said sheet materials while keeping them standing whenever the number of sheet materials are discharged into said discharge position and stacked on the receiver disposed at said discharge position; andeach of said receivers taking the form of a comb including a plurality of teeth between which a plurality of slots are formed, a plurality of rails being inserted into said slots in said receivers to extend in a direction in which said receivers are intermittently moved so that said sheet materials are engaged with said rails, stacked on said teeth and then fed along said rails, each of said sheet materials having a certain size which is subject to change, said rails being movable along said slots in said receivers longitudinally thereof for adjustment of position in accordance with said size of sheet material.