| 摘要 |
The guillotine on a conventional cutter assembly used in conjunction with an eavestrough-forming machine has been modified to produce compacted cut-offs and to prevent jamming of the cutter assembly. A radius is formed in the upper end of each cutting edge of a V-shaped blade. In a preferred embodiment a second, more steeply inclined portion connected at its top end to the radius is provided along each cutting edge.
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