Patent ID: 7581322

Claim:
A trimmer head for use with at least one length of flexible cutting line in a flexible line rotary trimmer, said head comprising: a housing adapted to be operatively connected to a rotary trimmer to effect rotation of said head, said housing defining an outer wall portion having at least one line outlet opening therein; a spool operatively connected to said housing for rotation therewith about a common axis in a drive mode and for rotation with respect to said housing in a line winding mode, said spool including a cylindrical body portion and at least one flange projecting radially therefrom so as to define a cutting line storage area about said body portion adjacent to said flange; and at least one line receptor formed in said flange, said receptor including an inwardly extending channel and defining a plurality of surface irregularities extending along at least a portion of said channel, said channel defining an outer end alignable with said line outlet opening in said housing upon relative rotation of said spool and said housing and wherein said surface irregularities grip a length of cutting line upon an end portion of the line being inserted into said channel through said line outlet opening and a portion of the line extending from said channel being directed toward said body portion of said spool as said spool is rotated with respect to said housing.