Cutlery – Cutting tools – Plural cooperating blades
Patent
1999-03-08
2000-09-05
Watts, Douglas D.
Cutlery
Cutting tools
Plural cooperating blades
83607, 83920, B26D 701, B26B 1306
Patent
active
061124133
ABSTRACT:
A shingle severing device includes a cutter pivotably secured to a work carrier. The work carrier mounts spaced blades and the cutter mounts spaced blades alignable with the work carrier blades. A shingle support and fences locate a conventional shingle. With an elongate roofing shingle placed on the support, the cutter and work carrier are moved from an open position to a closed position to sever the shingle along two spaced lines. A stop prevents overtravel beyond the closed position. The severing removes from the roofing shingle a ridge shingle with a trapezoid shaped end.
REFERENCES:
patent: 4425710 (1984-01-01), Mason et al.
patent: 5052256 (1991-10-01), Morrissey
patent: 5249495 (1993-10-01), Renk
Frakes Thomas Earl
Frakes Thomas Wayne
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