| CPC G06F 3/03545 (2013.01) [G06F 3/0414 (2013.01); G06F 3/046 (2013.01); G06F 2203/04105 (2013.01)] | 15 Claims |
|
1. An electronic pen, comprising:
a cylindrical pen housing having an opening on a pen tip side and having a hollow portion inside; and
an electronic pen main body having a cylindrical main body housing to be housed in the hollow portion of the pen housing, with an axial member installed on a first end side in an axial direction of the main body housing, and a second end side in the axial direction of the main body housing being locked in the pen housing, wherein
a projection portion projecting in a direction crossing the axial direction of the main body housing is formed on an outer circumference portion of the main body housing of the electronic pen main body, at a predetermined position in the axial direction,
a stopper portion to be engaged with the projection portion of the main body housing in a state in which a tip end side of the axial member is exposed outside from the opening of the pen housing, to prevent the electronic pen main body from moving toward the pen tip side in the pen housing, is formed on an inner wall surface of the hollow portion of the pen housing, and
the projection portion is arranged on the outer circumference portion of the main body housing such that a length in the axial direction of the main body housing from a tip end position of the axial member installed on the main body housing to a part of the projection portion to be engaged with the stopper portion is a sum of a length in the axial direction from a tip end position on the pen tip side of the pen housing to the stopper portion and a defined protrusion length in the axial direction of the main body housing that is a length of the pen tip side of the electronic pen main body with the axial member installed thereon set to be exposed outside from the opening on the pen tip side of the pen housing during use of the electronic pen.
|