| 摘要 |
PROBLEM TO BE SOLVED: To provide an oil feed nozzle free from degradation in operability and excellent in maintainability. SOLUTION: When an oil feed nozzle 21 is hooked on a nozzle book 48 during the work where oil is fed, a projection 49 of the nozzle hook 48 is abutted on a side portion of a groove part 40 side of a piston. The piston enters a piston chamber 41 against a spring, the compressed air is fed to a storage chamber 38 through an atmosphere feed passage 47, and the lubricating oil in the storage chamber 38 is fed into a shaft hole 33 through a communication passage 39 by the fed compressed air.
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