Cart for cutting units

A cart having mounted thereon a cutting unit of an apparatus for shearing paper and adapted for translatory movement on a bearing beam of said apparatus, said cart comprising

• a) a first plate-shaped element consisting of a higher back sector and a shorter front sector, said shorter front sector being bifurcated to form two segments defining a cavity extending to said higher back sector;
• b) a second plate-shaped element consisting of a higher back sector and a shorter front sector, said shorter front sector having on a surface an extension with a shape complementary to the cavity in said front sector of said first plate-shaped element, said extension being aligned with a plane defined by the back sector of said second plate-shaped element, said back sector with extension of said second plate-shaped element having a height equal to that of the back sector of said first plate-shaped element, and the front sector of said second plate-shaped element being sized to fit in a lower part of the shorter front sector of said first plate-shaped element;
• c) means for adjustably connecting said first and second plate-shaped elements together so that the shorter front sector of said first plate-shaped element and the shorter front sector of said second plate-shaped element are contiguous and the extension on the surface of the shorter front sector of the second plate-shaped element extends into the cavity defined by the two segments of the shorter front sector of the first plate-shaped element and adjustable movement along a longitudinal axis defined by said extension and said cavity is permitted;
• and
• d) means for trueing and fixing together said first and second plate-shaped elements.