| 摘要 |
PROBLEM TO BE SOLVED: To provide a lens grinder by which a finishing process can be shortened and accuracy is improved, and which can achieve grinding process to be carried out normally by two units of lens grinders. SOLUTION: Two grindstones are mounted at right and left sides of one unit of the lens grinder to operate simultaneously. A bearing 5 is provided outside the grindstones 2, 3 to fix a shaft 4, and a weight is suspended from the main body of the lens grinder.
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