| 摘要 |
A cutting blade is removably attachable to an adjustable height string trimmer assembly for a string trimmer machine. The line holder disc is modified by forming a large diameter concentric flange or shoulder about the central passage thereof, with the cutting blade being modified by forming a central passage therethrough having an essentially equal diameter to the shoulder of the line holder disc. A series of matched bolt holes are also formed through the blade and the line holder disc.
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