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Screen Walls

Cutter

Grain feed tank with swinging cap

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Cutter

Details

Inventors: Matsuda, Yusaku;
Assignee: Sanwa Diamond Industrial Co., Ltd. (JP)
Primary Examiner: Meislin; D. S.
Assistant Examiner: Watson; Bruce P.
Attorney, Agent or Firm: Ostrolenk, Faber, Gerb & Soffen

A cutter comprises a ring-shaped base plate. On the peripheral edge of the base plate there are formed a plurality of projections interposing slits therebetween. The projections are formed thinner than the base plate and provided with holes, through which wires are passed to connect the projections. Furthermore, around the projections, a ring-shaped cutting body is formed. The cutting body includes abrasive grains and is formed to expose a portion of slits.

DETAILED DESCRIPTION It is therefore a primary object of the present invention to provide a cutter which hardly breaks and whose sharpness is not degraded on use.
The present invention is directed to a cutter comprising, a ring-shaped base plate, a plurality of projections formed thinner than the base plate on the peripheral edge thereof and provided with holes and slits interposed therebetween, wires passing through the holes so as to connect the projections, and a ring-shaped cutting body including abrasive grains and formed around the projections so as to expose a portion of slits.
Since the projections are formed thin, abrasions easily take place thereon on use of the cutter.
Furtheremore, the cutting body at the slits is reinforced by the wires connecting the projections.
According to the present invention, it is possible to obtain a cutter which hardly breaks and whose sharpness is not degraded on use.
These and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the embodiment made with reference to the accompanying drawings.

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