| 摘要 |
A safety blade for a powered rotary lawn mower and method of making same. A layer of high strength fabric of an organic polymer extends throughout the blade. A metallic bar is positioned primarily in the central portion of the blade. The fabric and bar are bonded together and encapsulated in a elastomeric material containing fibers of an organic polymer. The blade is formed so that the outer end portions are provided with cutting edges with the fabric intersecting the cutting edges.
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