| 摘要 |
PROBLEM TO BE SOLVED: To provide a chuck device capable of prolongation of lifetime using a simple constitution, and to provide a tensile testing device. SOLUTION: A chuck part 210 of the tensile testing device is equipped with a new blade holder 240, having a gripping face 241, on which a new blade 250 for gripping a test piece is mounted and a tilted friction face 242 facing to a sliding plate 230, and a chuck frame 220 having a holding face 221A for holding the tilted friction face 242 of the new blade holder 240 via the sliding plate 230. A grease storage part 242E is provided on the tilted friction face 242 of the new blade holder 240, and grease is filled and sealed into the grease storage part. COPYRIGHT: (C)2009,JPO&INPIT
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