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公开(公告)号：US20150298489A1
公开(公告)日：2015-10-22
申请号：US14647925
申请日：2013-12-03
发明人： Toshimi KAMITANI , Satoru BANZAI , Yoshiharu NAMIKI , Yosuke SETAGAWA , Hitoshi KINO , Tooru NAKAJIMA , Takanori SUZUKI
CPC分类号： B43K23/12 , B43K5/18 , B43K7/01 , B43K7/02 , B43K7/03 , B43K7/08 , B43K7/10 , B43K8/026 , B43K8/03 , B43K8/04 , B43K8/06 , B43K8/143
摘要： Provided is a writing instrument suited to ballpoint pens, marking pens and the like in which a flow pressure of an ink applied to a pen tip is controlled to a fixed level to prevent an ink direct flow phenomenon reverse flow phenomenon. The above writing instrument comprises a pen tip disposed at a front part of an ink tank, an ink received in the ink tank, a follower filled at a rear part of the ink, and a capillary porous member provided with a capillary force, which is arranged at a space part between a rear part of the follower and a rear end part of the ink tank in a state in which the follower is filled, wherein the pen tip is sealed when a cap is put on the writing instrument.
摘要翻译： 提供了一种适用于圆珠笔，标记笔等的书写工具，其中施加到笔尖的油墨的流动压力被控制到固定水平以防止油墨直接流动现象逆流现象。 上述书写工具包括设置在墨罐前部的笔尖，容纳在墨水容器中的墨水，填充在墨水后部的随动件以及设置有毛细管力的毛细管多孔件， 布置在从动件的填充状态下从动件的后部与墨水罐的后端部之间的空间部分，其中当将盖子放在书写工具上时，笔尖被密封。
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公开(公告)号：US20180333980A1
公开(公告)日：2018-11-22
申请号：US15777315
申请日：2015-12-09
发明人： Yoshiharu NAMIKI , Kazuhiko FURUKAWA , Yusuke NAKAMURA , Kazuhiko TAKANASHI , Atsushi NAKASHIMA , Yoshihiro MANTA
摘要： Provided is a knock type writing instrument provided with a simple mechanism allowing a stable fretting operation or the like. A knock type writing instrument 1 is provided with: a shaft cylinder 2; a refill 5 arranged inside the shaft cylinder 2; a spring 6 biasing the refill 5 backward; an operation part 20 pressed forward against a biasing force of the spring 6 in a knocking operation; and a main rotor 30, and is switchable between a writing state and a non-writing state with the knocking operation. The knock type writing instrument 1 is further provided with: a knock locking member 50 movable forward and backward inside the shaft cylinder 2 due to gravity; and a locking part 60 provided on a side of the shaft cylinder 2 and capable of being locked with the knock locking member 50. When a front end of the shaft cylinder 2 is directed upward, the knock locking member 50 moves backward to be locked with the locking part 60 to prevent forward movement of the operation part 20.
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