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

Claim 11:
12. The cutting head device of claim 7, wherein said spool comprising a pair of blind flexible trimmer line guides disposed within one of said cylindrical flanges, wherein each of said pair of blind flexible trimmer line guides is comprised of two flexible trimmer line guide sections including an external flexible trimmer line guide section crossing through said one of said cylindrical flanges and a semi-circular inner flexible trimmer line guide section disposed within said hollow cylindrical core, wherein said 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 sections of said two flexible trimmer line guide sections being each tangentially connected in unobstructed communication to each of said external flexible trimmer line guide sections of and disposed within said hollow cylindrical core, wherein each of said external flexible trimmer line guide sections having an open window disposed within said one of said cylindrical flanges, and each of said semi-circular inner flexible trimmer line guide sections having an open window disposed within said hollow cylindrical core and being covered by said thrust face of said coupling means for maintaining the new flexible trimmer line constrained within each of said semi-circular inner flexible trimmer line guide sections, wherein said semi-circular inner flexible trimmer line guide sections having a shallow floor for compressing the ends of said flexible trimmer line between said coupling means thrust face and said semi-circular inner flexible trimmer line guide sections.