| 摘要 |
PROBLEM TO BE SOLVED: To provide a gear pump having a structure capable of securing positioning accuracy of a bearing part and improving accuracy of center distance. SOLUTION: The gear pump 10 is provided with the two bearing parts 12a, 12b. A step part 12B projecting to a housing 11 side and fitting to a gear loose-fitting hole 11s is provided on side plates 12, 12 attached on both sides of the housing 11 to block the gear loose-fitting hole 11s provided on the housing 11. The side plates 12, 12 are attached on the housing 11 to fit the step part 12B to the gear loose-fitting hole 11S. COPYRIGHT: (C)2004,JPO&NCIPI
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