Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hidehei Kageyama0
Tomoaki Suzuki0
Osamu Torii0
Date of Patent
October 31, 2006
0Patent Application Number
109372930
Date Filed
September 10, 2004
0Patent Primary Examiner
Patent abstract
An instrument includes a holder for holding a medium, a cap capable of covering a tip end portion of the medium, and a knock member provided to be capable of knocking to attach and detach the cap. The cap is connected to the knock member via a rotational transform mechanism. The rotational transform mechanism advances the cap in accordance with one knock of the knock member in the axial direction, the rotational transform mechanism rotates the cap around an axis parallel to the axial direction, then retreats the cap, so that the state in which the cap covers the tip end portion of the medium and the state in which the cap allows the tip end portion of the medium to be exposed are switchable for each knock of the knock member.
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