| 摘要 |
PROBLEM TO BE SOLVED: To provide a grease feeder and a bearing device, in which a bearing in a spindle can be prevented from a damage such as a seizure due to poor lubrication and the bearing can be contrived to extend the lifetime. SOLUTION: The grease feeder 10 is provided with a check valve and a fixed quantity delivery piston, and comprised of a mechanical fixed quantity piston pump 19 for discharging grease and a storage tank 14 for storaging grease. In the grease storage tank, a sensor 18a for monitoring the remaining situation of grease is installed. COPYRIGHT: (C)2005,JPO&NCIPI
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