WINDING ASSEMBLY AND RATCHET SPOOL

A ratchet spool () for use in a winding assembly () is disclosed. The ratchet spool () is rotatable about a principal axis (). The ratchet spool () comprises a main part () and a plurality of ratchet teeth () arranged circumferentially around the main part (). The ratchet teeth () are engageable by a ratchet arrangement () for driving the ratchet spool () in a driving direction about said principal axis (). The ratchet spool () also has a drive formation () for driving the ratchet spool () in said driving direction.