PROBLEM TO BE SOLVED: To provide a syringe type ejector for ejecting a small portion of the content, and having improved operability.SOLUTION: The syringe type ejector of the present invention comprises a syringe and a plunger, the plunger comprises a first shaft member having a piston on the tip and a second shaft member fitted into a cylindrical part of the first shaft member, the first shaft member comprises an elastic piece extending backward, the elastic piece is provided with a sliding projection slidable on an inner circumferential surface of the syringe and a latching projection latched to the rear end of the syringe, the second shaft member includes a fitting shaft fitted into the cylindrical part and a pressurizing flange for pressurizing the cylindrical part, an outer circumferential surface of the fitting shaft is provided with an engaging projection part for preventing slipping-out from the cylindrical part by engaging with a latching part of the cylindrical part, and the latching projection is latched to the rear end of the syringe by pressurization of the cylindrical part by the pressurizing flange, and latching of the latching projection is released by relaxation of the pressurization.SELECTED DRAWING: Figure 6【課題】内容物を小分けにして噴出すると共に操作性を向上させたシリンジ型噴出器を提供する。【解決手段】本発明のシリンジ型噴出器は、シリンジとプランジャとを備え、プランジャは、先端にピストンを有する第1シャフト部材と、第1シャフト部材の筒部に嵌合する第2シャフト部材とを有し、第1シャフト部材は、後方に向かって伸びる弾性片を有し、弾性片には、シリンジの内周面を摺動可能な摺動突起と、シリンジの後端に係止される係止突起とが設けられ、第2シャフト部材は、筒部に嵌合する嵌合軸と筒部を押圧する押圧フランジとを有し、嵌合軸の外周面には筒部の係止部に係合して筒部からの抜け出しを防止する係合突部が設けられ、押圧フランジによる筒部の押圧により係止突起をシリンジの後端に係止させ、押圧の緩和によって係止突起の係止が解除されることを特徴とする。【選択図】図6
