KNOCK-TYPE WRITING UTENSIL

To provide a knock-type writing utensil configured so that a rear portion of a rotator can be easily inserted into an inside of a knock member during assembling and the rotator is suppressed from coming off from the knock member after the assembling.SOLUTION: A knock-type writing utensil 1 comprises a knock member 30 formed into a cylindrical shape and, a rotator 40 which is arranged in front of the knock member 30 and which has an insertion part 41 configured to be inserted into the knock member 30. A locking part 45 having a non-circular cross-sectional shape is provided on an outer surface of the insertion part 41 of the rotator 40, and a part 33 configured to lock to the locking part 45 is provided on an inner peripheral surface of the knock member 30.SELECTED DRAWING: Figure 2 【課題】組み立て時において、回転子の後部をノック部材の内部に挿入し易く、組み立て後において、回転子がノック部材から脱落し難いように構成されたノック式筆記具を提供する。【解決手段】ノック式筆記具１が、円筒状に形成されたノック部材３０と、ノック部材３０の前方に配置された回転子４０であって、ノック部材３０内に挿入可能に構成された挿入部４１を有する回転子４０と、を具備し、回転子４０の挿入部４１の外面に非円形状の横断面形状を有する係止部４５が設けられ、ノック部材３０の内周面に係止部４５と係止するように構成された被係止部３３が設けられている。【選択図】図２