Patent ID: 11880514
Assignee: WACOM CO., LTD.
Field: Basic communication processes (Electrical engineering)
Classification: CPC G  B  H | IPC B  G  H

Claim 0:
1. An electronic pen comprising:
a tubular outer housing to be grasped by a user; and
a replaceable cartridge-type electronic pen body portion installed in the outer housing, wherein:
the electronic pen body portion includes:
a refill body including a pen point,
a circuit board having a push button switch mounted thereon,
a tubular body portion housing that houses the refill body and the circuit board, has a pen-point opening portion through which the pen point of the refill body protrudes on a pen-point side of the tubular body portion housing, and has a side opening portion defined in a side of the body portion housing and provided at a position corresponding to a position of the push button switch of the circuit board, and
a pressing member that is provided in the side opening portion of the body portion housing, is disposed on the push button switch, and has at least one engagement portion that prevents the pressing member from protruding outwardly from a side surface of the body portion housing,

the outer housing includes:
an opening portion provided on the pen-point side of the tubular body portion housing that enables the electronic pen body portion to be installed in the outer housing,
an operation-unit opening portion defined in a side of the outer housing and provided at a position corresponding to a position of the pressing member of the electronic pen body portion when the electronic pen body portion has been installed at a predetermined position, and
an operation unit provided in the operation-unit opening portion such that an inside surface of the operation unit that is opposite to the pressing member does not protrude inwardly from an inner wall surface of the outer housing, and

when the operation unit of the outer housing is pressed, the push button switch of the electronic pen body portion is operated through the pressing member of the electronic pen body portion.