| 摘要 |
In an embodiment, a fixed line trimmer head is configured such that the trimmer head is not loaded or unloaded from the bottom. In an embodiment, the trimmer head is loaded from the periphery and unloaded from the top. In and embodiment, the trimmer head may include a gripping mechanism that is located near enough to the center of the trimmer head such that if the trimmer line breaks, the trimmer head does not become imbalanced to the point of vibrating. In an embodiment, a spacer is located below the trimmer head. In an embodiment, the spacer has a socket that is contoured to mate with a bolt head. The bolt is inserted into the socket, and through a hole at the bottom of the socket. As a result of the contoured socket, the spacer may be used instead of a wrench to screw the bolt to trimmer head.
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