| 摘要 |
A trimmer head for string trimmer machines using fixed length segments of line is made to accommodate trimmer line in a range of different sizes, from relatively small diameter line to relatively large diameter line. To accomplish this, the trimmer head consists of a generally cylindrically shaped hollow main housing having a central axis through it. Exit openings for the line are formed on diametrically opposite sides of the main housing; and line entry holes in two different pairs or sets are formed through the housing. An insert member is placed on the interior of the housing and the insert member has first and second guide channels aligned with and operating with the line entry holes and exit openings to guide string trimmer line inserted through a line entry hole in an arcuate path to exit from the corresponding line exit openings without separately threading the line into the line exit openings.
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