Patent ID: 7454838

Claim:
A scissors ( 1 ) comprising a first lever ( 2 ) and a second lever ( 2 ′) provided with respective coaxial holes ( 25 , 25 ′) in their central portions ( 20 , 20 ′) and a rivet ( 4 ) placed in said holes ( 25 , 25 ′) of the levers ( 2 , 2 ′), characterized in that it comprises: a bush ( 3 ) interposed between the rivet ( 4 ) and the surface of the hole ( 25 ) of the first lever ( 2 ) so that the first lever ( 2 ) can rotate with respect to the bush ( 3 ) which remains integral with the rivet ( 4 ), and a washer ( 5 ) interposed between the rivet ( 4 ) and the surface of the hole ( 25 ′) of the second lever ( 2 ′), so that the outward deformation of one portion ( 42 ) of the rivet ( 4 ) compresses the washer ( 5 ) on the central portion ( 20 ′) of the second lever, making the second lever ( 2 ′) integral with the rivet ( 4 ).