BALLPOINT PEN
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United States of America Patent
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Issued Date -
Nov 8, 2018
app pub date -
Nov 9, 2016
filing date -
Nov 9, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A ballpoint pen is provided in which the width of the drawing line can be changed, wherein responsiveness can be improved when distinguishing between drawing thin lines and thick lines. A ballpoint pen 1 provided at the pen tip side with a first writing part having a writing ball 25, wherein the ballpoint pen 1 is characterized by being provided with a writing part at the pen tip side with which it is possible to write a thicker line than the line written with the first writing part, only the first writing part being used when the writing weight is 1 g and the writing angle is 90°, and the second writing part being used when the writing weight is 200 g, and the writing angle is 40-90°.
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