Patent ID: 8230602

Claim:
A line-type grass cutting head, comprising: a spool for winding a cutting line, said spool comprising a first set of projections and a second set of projections; a housing comprising a first housing portion and a second housing portion, said first housing portion comprising a first plurality of teeth, said first set of projections cooperating with said first series of teeth, said housing defining an inner volume, said inner volume receiving said spool, said second housing portion comprising a first side surface and a second side surface, said first side surface being opposite said second side surface, said first side surface defining a plurality of second teeth, said second side surface defining a plurality of third teeth, one of said plurality of second teeth and said plurality of third teeth being located at a position outside of said inner volume, another of said plurality of second teeth and said plurality of third teeth being located at a position in said inner volume; an elastic member elastically loading the spool with respect to the housing.