| 摘要 |
PROBLEM TO BE SOLVED: To eliminate a process to press a rigid body in an oil feed hole using a conventional copper pipe member. SOLUTION: This compressor is provided with a closed container 1 having a bottom forming an oil reservoir 10. In the container 1, a rotary shaft 4 extending through a compressing mechanism 3 and vertically situated is mounted. The rotary shaft 4 is provided with an oil feed hole 40 formed through a central part. In the oil feed hole 40, an oil pump member 5 approximately in the shape of a helical blade is provided. A pump casing 6 with a tip part having and opening 62 opened in oil in the oil reservoir 10 is mounted on the lower end part of the oil feed hole 40. The pump casing 6 is formed of an approximately cylindrical metallic substance and radially elastically deformable. Concretely, the pump casing 6 is formed by winding a metallic sheet spring material approximately in a rectangular shape.
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