Abstract: An apparatus for cutting short the leading end of the thread to be wound on a bobbin in a spinning machine, whereby after the thread is wound up on a bobbin with the leading end of the thread being gripped between the spindle and the bobbin and the thread has been wound up on the bobbin, the leading end of the thread is cut at the bobbin end by the cutting member of a cutter device which travels in front of a row of spindles of a spinning machine.