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Priority to JP11808988UpriorityCriticalpatent/JPH0240584U/ja
Publication of JPH0240584UpublicationCriticalpatent/JPH0240584U/ja
図１は本考案の斜視図である。図２は本考案の 断面図である。図３は本考案の先端部を拡大した ものである。
FIG. 1 is a perspective view of the present invention. FIG. 2 is a cross-sectional view of the present invention. FIG. 3 is an enlarged view of the tip of the present invention.
Claims (1)
【実用新案登録請求の範囲】
１ ボールペンの後部にバネを使い芯を常に押し 出している構造で芯の最後部は空間があるものと する。
２ ボールペンのにぎり部分に板ばね式のストツ パーを付け、芯側にもストツパーを付ける。
３ 芯が後部のバネで飛び出ないような構造とす る。[Claims for Utility Model Registration] 1. A ballpoint pen has a structure in which a spring is used at the rear of the pen to constantly push out the lead, and there is a space at the rear of the lead. 2. Attach a leaf spring type stopper to the nigiri part of the ballpoint pen, and also attach a stopper to the lead side. 3 The structure should be such that the core does not pop out due to the spring at the rear.