| 摘要 |
PROBLEM TO BE SOLVED: To simply form a female screw engaged with a male screw formed in the outer periphery of a rod shaft.SOLUTION: A cosmetic material delivering container includes: a tip cylinder 10 formed on the tip with a tip opening hole 11 allowing a cosmetic material (A) to advance; a driving cylinder 20 relatively rotatably mounted on the tip cylinder 10; a push rod 30 including a cosmetic material holding part 31 integrally rotating with the driving cylinder 20 and pushing out the cosmetic material (A), and a rod shaft 33 extended from the cosmetic material holding part 31, and formed on the outer periphery with a male screw 32; and a screw spring 40 integrally rotating with the tip cylinder 10, and provided between the tip cylinder 10 and the driving cylinder 20 to be engaged with the male screw 32. The screw spring 40 includes: a front end part 41 contacting the tip cylinder 10; a rear end part 42 contacting the driving cylinder 20; a plurality of plate spring parts 43 connecting the front end part 41 and the rear end part 42, and bending to the push rod 30; and a female screw projection 44 provided on at least one of the plate spring parts 43, and engaged with the male screw 32. |
