Patent ID: 7797839

Claim:
A trimmer head for use with a 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 the head, said housing defining a cylindrical depending skirt having opposed line openings therein; a spool for carrying a length of cutting line thereon, said spool being operatively connected to said housing for rotation therewith about a common axis, said spool including a cylindrical body portion, at least one flange projecting radially therefrom so as to define at least one cutting line storage area about said body portion adjacent said flange; and a pair of line guide inserts secured within said body portion of said spool on opposed sides of said common axis, said inserts each defining a line guide surface, at least a portion of each said surface being curvilinear and wherein said line guide surfaces cooperate with proximate portions of said spool to define a line receptor channel traversing said spool, said channel having opposed open ends radially alignable with said line openings in said housing skirt upon relative rotation of said spool and said housing and an open portion extending between said inserts, intermediary of said opposed open ends, so as to provide access to said channel with said spool operatively connected to said housing.