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Patent Searching and Data


Title:
POLISHING TOOL
Document Type and Number:
Japanese Patent JPS62148161
Kind Code:
A
Abstract:

PURPOSE: To easily perform centering by providing an internal thread part in a grindstone for polishing optical glasses, and further providing an external part fitted into said internal thread part on a base dish.

CONSTITUTION: A spherical surface 12 worked with a desired curvature is formed on the upper part of a grindstone 1, a recessed receiving part 11' is arranged on the bottom surface 13 thereof, and an internal thread part 11 is arranged on the inner wall of said recessed receiving part 11', coaxially with the rotational shaft 14 of the grindstone 1. Further, a base dish 2 is provided with a protruded edge 21' where an external thread part 21 fitted into the internal thread part 11 is arranged. Here, the internal thread part 11 of the grindstone 1 is meshed with the external thread part 21 of the base dish 2 while the grindstone 1 is mounted on the base dish 2 in order to constitute a polishing tool. Thus, it is able to fix the grindstone easily on the base plate without any trouble in strength and with easiness of centering.


Inventors:
NODA SATOSHI
USHIYAMA KAZUO
TAKAHASHI MITSUAKI
Application Number:
JP1985000284061
Publication Date:
July 02, 1987
Filing Date:
December 17, 1985
Export Citation:
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Assignee:
OLYMPUS OPTICAL CO
International Classes:
B24B13/01; B24D7/16; (IPC1-7): B24B13/01; B24D7/16