Patent ID: 7509901

Claim:
A system engaging and locking a cartridge with a head portion on a body of a cutter holder, said system comprising: a slider provided with a dovetail profile, said slider being arranged on a lower portion of the body of the cutter holder, the head portion of the cartridge being provided with a slot with a profile which is shaped complementary with respect to the dovetail profile of said slider for the engagement of said cartridge on the body of the cutter holder, and said head portion of the cartridge being provided with seats that are arranged on vertical walls of said slot and that are symmetrical with respect to vertical lanes of symmetry of said slot, said seats each having an upper wall that is obliquely shaped; locking means for locking the cartridge on the body of the cutter holder; and a lever for actuating said locking means, said locking means for locking the cartridge on the body of the cutter holder comprising stop pins that are symmetrically arranged on side walls of said slider, and said locking means further comprising at least one movable transverse pivot element that applies a symmetrical force with an upward traction component on said oblique walls of said seats at both sides of said complementarily shaped profile of said slot.