Cut-to-length shearing device for cropping strips

A cut-to-length shearing device for cropping strips, the shearing device comprising:

• a stationary lower blade carrying beam having a first lower shearing blade and a stationary upper blade carrying beam having a first upper shearing blade;
• a mobile blade carrying beam positioned between the stationary lower and upper blade carrying beams and having a second upper shearing blade and a second lower shearing blade;
• wherein the second upper shearing blade is complementary to the first upper shearing blade and wherein the first and second upper shearing blades define an upper cutting plane;
• and
• wherein the second lower shearing blade is complementary to the first lower shearing blade and wherein the first and second lower shearing blades define a lower cutting plane.