| 摘要 |
A vegetation trimmer comprising an elongate main handle to which is connected a motor that rotatably drives a trimmer head located at a distal end of the handle. The trimmer head defines a rotational axis and includes a housing, a spool rotatably received in the housing for carrying at least one coil of flexible trimmer line, a latch member carried by one of the housing and the spool for releasably locking the spool against rotation with respect to the housing, and at least one seat carried by the other of the housing and the spool for receiving the latch member, whereby either the latch member or the at least one seat orbits about the rotational axis of the trimmer head when trimmer line is dispensed from the spool. The spool preferably carries a yieldable trimmer line guide for guiding trimmer line between opposed trimmer line exit ports in the housing.
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