Cutting device with automatic sharpener

Details Cutting device with automatic sharpener Cutting device with automatic sharpener

1994-11-30

1997-05-06

Rada, Rinaldi I.

Cutting

With tool sharpener or smoother

Spatially fixed tool

83697, 83747, 451295, 451420, B65D 712

Patent

active

056260652

ABSTRACT:
The present invention pertains to a device for cutting materials and including a straight blade 10, to which are connected two sharpening units 13, 14 with angulation complementary to that of the cutting edge of the blade. Each sharpening unit 13, 14 comprises a support 15 and defines a chamber 16 for a piston 17 and a pneumatic motor 18 contained in the piston, and has an outlet shaft 19 supporting a diamond disk grinding wheel 20 which is advanced towards the blade to be sharpened.

REFERENCES:
patent: 1551167 (1925-08-01), Orlow
patent: 1815018 (1931-07-01), Wagner
patent: 2822844 (1958-02-01), Busch
patent: 3548699 (1970-12-01), Gerber et al.
patent: 3719113 (1973-03-01), Gerber et al.
patent: 4485595 (1984-12-01), Minamiyama et al.
patent: 5090281 (1992-02-01), Paulson et al.

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