A drafting device with a drafting roller and a cleaning device for the drafting roller comprising: a scraper extending along an axial width direction of the drafting roller and configured to come into contact with an outer circumferential surface of the drafting roller , wherein the scraper (150; 150A; 150B) is provided with, at an end portion on an upstream side wherein upstream refers to the drafting direction of the draft device , in a rotational direction of the drafting roller , a scraper edge portion configured to come into contact with the outer circumferential surface of the drafting roller , a scraper main-unit portion provided with the scraper edge portion and facing the outer circumferential surface of the drafting roller and a projecting portion (155; 155A; 155B) provided on a surface facing the drafting roller in the scraper main-unit portion , further comprising a pressing unit configured to press the scraper main-unit portion toward the outer circumferential surface of the drafting roller , characterized in that an angle (α) being formed by a tangent-line upstream portion (L)that is on a tangent line of the drafting roller passing a contact point (T) with the scraper edge portion and extends from the contact point (T) toward the upstream side of the rotational direction of the drafting roller , and by an upstream-side outer surface that is in an outer surface of the scraper edge portion and is a surface facing the upstream side in the rotational direction of the drafting roller , is an obtuse angle when viewed along an axial direction of the drafting roller and in that the projecting portion (155; 155A; 155B) is provided in a region sandwiched between a pressing area (Q) in which the pressing unit presses the scraper main-unit portion , and the outer circumferential surface of the drafting roller . a scraper extending along an axial width direction of the drafting roller and configured to come into contact with an outer circumferential surface of the drafting roller , wherein the scraper (150; 150A; 150B) is provided with, at an end portion on an upstream side wherein upstream refers to the drafting direction of the draft device , in a rotational direction of the drafting roller , a scraper edge portion configured to come into contact with the outer circumferential surface of the drafting roller , a scraper main-unit portion provided with the scraper edge portion and facing the outer circumferential surface of the drafting roller and a projecting portion (155; 155A; 155B) provided on a surface facing the drafting roller in the scraper main-unit portion , further comprising a pressing unit configured to press the scraper main-unit portion toward the outer circumferential surface of the drafting roller , characterized in that an angle (α) being formed by a tangent-line upstream portion (L)that is on a tangent line of the drafting roller passing a contact point (T) with the scraper edge portion and extends from the contact point (T) toward the upstream side of the rotational direction of the drafting roller , and by an upstream-side outer surface that is in an outer surface of the scraper edge portion and is a surface facing the upstream side in the rotational direction of the drafting roller , is an obtuse angle when viewed along an axial direction of the drafting roller and in that the projecting portion (155; 155A; 155B) is provided in a region sandwiched between a pressing area (Q) in which the pressing unit presses the scraper main-unit portion , and the outer circumferential surface of the drafting roller . <EOS>