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

Claim 9:
10. The cutting head device of claim 7, wherein said spool flexible trimmer line guide is disposed within one of said cylindrical flanges, wherein said spool flexible trimmer line guide is comprised of three flexible trimmer line guide sections including two external flexible trimmer line guide sections and a semi-circular inner flexible trimmer line section crossing through said one of said cylindrical flanges in a non-radial direction, wherein said two external flexible trimmer line guide sections are mirrored by a plane crossing through said spool axis of rotation and extending from said hollow cylindrical core to the periphery of said one of said cylindrical flanges, and said semi-circular inner flexible trimmer line guide section tangentially connected in an unobstructed communication to said two external flexible trimmer line guide sections within said central cavity closed face, wherein said two external flexible trimmer line guide sections having an open window within said one of said spool cylindrical flanges, and said semi-circular inner flexible trimmer line guide section having an open window within said spool central cavity closed face which is covered by said coupling means thrust face to facilitate the new flexible trimmer line insertion.