| 摘要 |
A head for a trenching axe has a central eye portion with an eye opening for joining a handle to extend in a first direction and a height in the first direction, a grubbing blade joined to the eye portion, extending away from the eye portion, and having a cutting edge on an end away from the eye portion, the cutting edge facing in a direction substantially orthogonal to the first direction, a first sidewall joined to the grubbing blade along a portion of a first long edge of the grubbing blade, and a second sidewall joined to the grubbing blade along a portion of a second long edge of the blade, the first and second sidewalls each presenting a sharpened edge at substantially a right angle to the cutting edge of the grubbing blade, and a back wall joined to the grubbing blade and the first and second sidewalls, the sidewalls, the grubbing blade and the back wall forming a pocket open toward the cutting edge of the grubbing blade.
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