发明名称 PRESSURIZING TYPE BALL-POINT PEN
摘要 <P>PROBLEM TO BE SOLVED: To provide a ball-point pen for correction which uses easily intermittent ink and is mainly equipped with a simple pressurizing mechanism which liberates a user from the trouble to press the side of a container. <P>SOLUTION: In the pressurizing type ball-point pen equipped with a pumping system pressurizing mechanism, a valve mechanism part which has a vent hole communicating with the rear end side of a follower and a sealing member composed of an elastic element for closing the vent hole and sets the rear end part of the follower in an airtight chamber state by closing the vent hole by the sealing member all the time and sets the vent hole opened by deforming or displacing the sealing member, and a knocking mechanism part which has a knocking bar in a forward/backward moving fashion, under the state that the bar is always urged backward by a knocking spring and compresses a space part to be formed between the vent hole and the forward end of the knocking bar when the knocking bar is moved forward, are provided. A projecting part formed at the forward end of the knocking bar comes into contact with the space part under the state that it is properly compressed by moving the knocking bar forward and consequently, the sealing member is deformed or displaced to open the vent hole. <P>COPYRIGHT: (C)2004,JPO
申请公布号 JP2004034569(A) 申请公布日期 2004.02.05
申请号 JP20020196645 申请日期 2002.07.05
申请人 MITSUBISHI PENCIL CO LTD 发明人 KOBAYASHI SEIICHI
分类号 B43K7/12;B43K7/03 主分类号 B43K7/12
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