Scissors corrugating device

Details Scissors corrugating device Scissors corrugating device

1984-04-30

1985-12-03

Parker, Roscoe V.

Metal tools and implements, making

Tool sharpeners

Edge-serrating

76 822, 76 88, 269234, 269283, B23D 7102, B21K 1102

Patent

active

045559651

ABSTRACT:
A scissors corrugating device comprising an elongate corrugating file, an upper guide attached to the file at an upper end, a lower guide attached to the file at a lower end, a frame for supporting the guides, and a vise attached to the frame and including clamping jaws tooled to firmly hold a scissors' blade vertically and at various angles beneath the file. The lower guide moves linearly in slots formed in the frame in a path which is substantially parallel to the beveled edge of the clamped scissors' blade, and the upper guide moves within a second pair of slots formed in the frame along a path which is at an angle to the path of the lower guide. With each stroke of the file across the beveled edge of a clamped scissors' blade, the paths cause the guides and file to travel across the beveled edge and downwardly to score corrugations evenly, with repeatability along the beveled edge, and provide an improved mechanical advantage.

REFERENCES:
patent: 956350 (1910-04-01), Hillstrom
patent: 966036 (1910-08-01), Mikesell
patent: 1681763 (1928-08-01), Eaton
patent: 1704334 (1929-03-01), Mitchell
patent: 1904075 (1933-04-01), Petrich
patent: 2397256 (1946-03-01), Foster
patent: 2471699 (1949-05-01), Pavesi et al.
patent: 2557093 (1951-06-01), Garbarino
patent: 3011366 (1961-12-01), Sandven
patent: 4383682 (1983-05-01), Feinberg

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