The invention relates to a device for holding a cutting blade (30) having a cam (36), comprising a blade pivot pin (34) for mounting the cutting blade (30) in a pivoting manner on a cutting tool (10), and a cam pivot pin (40) connected to a driving mechanism of the blade (38), a first pivot pin chosen from the blade pivot pin (34) and the cam pivot pin (40) being provided with a matching-shape axial lock. In accordance with the invention: - the other pivot pin is provided with a manually tightened axial lock, - the device comprises a catch (50) having a first end (50) with a latch (72) able to be engaged with and held on the first pivot pin by matching shapes, and a second end able to be engaged with and held on the pivot pin provided with the manually tightened axial lock.
