Patent ID: 8393083

Claim:
An adjustable thinning scissors, comprising a first blade unit, having a first pivoting section, a first cutting blade and a first handle, the first pivoting section having a first pivoting bore, the first cutting blade extending frontward from the first pivoting section, the first cutting blade having a plurality of first protrusions and a plurality of first notches, the first protrusions and first notches being arranged alternatively along a longitudinal direction of the first cutting blade, the first handle extending rearward from the first pivoting section; a second blade unit, having a second pivoting section, a second cutting blade and a second handle, the second pivoting section having a second pivoting bore, the second cutting blade extending frontward from the second pivoting section, the second cutting blade having a plurality of second protrusions and a plurality of second notches, the second protrusions and the second notches being arranged alternatively along a longitudinal direction of the second cutting blade, the second handle extending rearward from the second pivoting section; an adjusting button, having an axle rotatably inserted in the first pivoting bore, the axle having an offset bore whose axis is offset from an axis of the axle; a nut, rotatably disposed in the offset bore; and a screw, inserted in the second pivoting bore and threaded with the nut, wherein the first blade unit has a first side and a second side, the first side contacts the second blade unit, the second side is remote from the second blade unit, the first pivoting bore is tapered from the second side toward the first side, cross-sections of the axle from the first side to the second side are substantially of a fixed diameter, the fixed diameter is larger than that of an opening of the first pivoting bore at the first side and smaller than that of an opening of the first pivoting bore at the second side, a common edge of a circumferential surface and a surface which faces the second blade unit of the axle contacts a side surface in the first pivoting bore, and the circumferential surface is substantially disengaged with the side surface.