| 摘要 |
<p>The present invention relates to a lead edge type paperboard feeding apparatus suitable for a box making machine for corrugated board sheets and the like, and more particularly, provides a paperboard feeding apparatus provided with delivery rolls which deliver paperboards (1) piled up between a front guide (2) and a backstop (3) are delivered successively from the lowest layer, comprising a mechanism which, when the dimension of above-mentioned paperboard reaches a predetermined length and longer, above-mentioned backstop is made to vary (ascend and descend or incline) automatically interlocking with the variation in length (or interlocking step-wise at a predetermined ratio), or an indexing unit which is able to set a start timing or a stop timing of feeding selectively. <IMAGE></p> |
