Patent ID: 11903339
Assignee: nan
Field: Other special machines (Mechanical engineering)
Classification: CPC A | IPC A

Claim 2:
3. The cutting head device of claim 1, wherein said spool including a flexible trimmer line guide disposed within one of said two flanges, wherein said flexible trimmer line guide is comprised of three flexible trimmer line guide sections including two external flexible trimmer line guide sections and one semi-circular inner flexible trimmer line guide section, wherein said two external flexible trimmer line guide sections are non-radially oriented and mirrored by a plane crossing through said housing axis of rotation while crossing through said one of said two flanges and said semi-circular inner flexible trimmer line guide section crossing through said hollow cylindrical core in a semi-circular path disposed over said spool thrust surface and tangentially in unobstructed communication with said two external flexible trimmer line guide sections, wherein said two external flexible trimmer line guide sections of said three flexible trimmer line guide sections having an open window disposed within said one of said two flanges, and an open window of said semi-circular inner flexible trimmer line guide section disposed over said spool thrust surface and wherein said spool thrust surface in cooperation with a threaded coupler thrust face for sealing said open window of said semi-circular inner flexible trimmer line guide section of said three flexible trimmer line guide sections open window for facilitating insertion of said flexible trimmer line through said spool hollow cylindrical core.