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Title:
CUTTING DEVICE PERFORMING HOLE-WIDENING PROCESS
Document Type and Number:
Japanese Patent JP2012121256
Kind Code:
A
Abstract:

To provide a cutting device having a simple structure and accurately performing hole-widening process on an inner surface in production of a vessel such as a vase or a pot with wood or stone alone.

The cutting device performing hole-widening process includes an insertion tube 3 rotating in an axial circumferential direction into a hole 21, a rotary shaft 1 contained in the insertion tube, affording turning force, and provided with a disk 2 adjusting a widening angle of a cutting member 10 on its lower end, a cutting member holder 6 screwing on the rotary shaft and fixing the position, and the cutting member 10 extending to the outside of the insertion tube 3 and contained in its inside. The cutting device has such a function that the disk 2 moves upward to increase the widening angle of the cutting member by inserting the cutting device into the hole 21, and reversely rotating the rotary shaft 1 with the cutting member holder 6 supported, thereby performing stepwise and cylindrical hole-widening cutting.


Inventors:
FUJIMOTO TERUO
Application Number:
JP2010274791A
Publication Date:
June 28, 2012
Filing Date:
December 09, 2010
Export Citation:
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Assignee:
FUJIMOTO TERUO
International Classes:
B27C3/02; B27G15/00; B28D1/14