| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a grinder capable of suppressing decline in grinding performance of a treated body while preventing water from splashing to guide parts and a feed screw for moving support parts supporting the treated body. <P>SOLUTION: This grinder is provided with a waterproof cover 14 provided in a position on the lower side of a grinding tool cover 26 to cover upper sides of the pair of guide parts 4, 4 and a second support part feed screw 10. A first support part 6 has a first holding part 6a for holding one end part of the treated body 100 in a position on the upper side of the waterproof cover 14 and between the guide members 4, 4. A second support part 8 is provided with: a second holding part 8a for holding the other end part of the treated body 100 in a position on the upper side of the waterproof cover 14 and between the guide members 4 and 4; a second support part base part 8b guided by the guide parts 4, 4 while avoiding interference with the waterproof cover 14; and a second support part nut part 8c screwed to the second support part feed screw 10 positioned between the guide parts 4, 4. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
