US 12,216,842 B2
Electronic pen
Takenori Kaneda, Saitama (JP); and Kohei Tanaka, Saitama (JP)
Assigned to Wacom Co., Ltd., Saitama (JP)
Filed by Wacom Co., Ltd., Saitama (JP)
Filed on Oct. 16, 2023, as Appl. No. 18/487,929.
Claims priority of application No. 2022-178918 (JP), filed on Nov. 8, 2022; and application No. 2023-090665 (JP), filed on Jun. 1, 2023.
Prior Publication US 2024/0152220 A1, May 9, 2024
Int. Cl. G06F 3/0354 (2013.01)
CPC G06F 3/03545 (2013.01) 10 Claims
OG exemplary drawing
 
1. An electronic pen comprising:
a tubular casing having an opening on a pen tip side;
a bar-shaped core body;
a core body holding part that is disposed in the casing and holds a rear end portion of the core body such that a tip portion of the core body protrudes from the opening of the casing;
electronic parts that are disposed at a rear stage of the core body holding part in the casing and that, in operation, perform electronic pen functions;
a tubular internal constituent part through which the core body penetrates on the pen tip side in the casing;
a first ring-shaped elastic component in contact with an entirety of a circumference of a side surface of the internal constituent part and an entirety of a circumference of an inner wall surface of the casing; and
a second ring-shaped elastic component in contact with an entirety of a circumference of a side surface of the core body holding part and an entirety of a circumference of an inner wall surface of the internal constituent part.
 
9. An electronic pen comprising:
a tubular casing having an opening on a pen tip side of the casing;
a bar-shaped core body including a core bar and a protective component that covers part of the core bar from an end portion of the core bar on the pen tip side of the casing to a position separate from the end portion in a rear end direction of the core body by a predetermined length;
a core body holding part that is disposed in the casing and holds a rear end portion of the core body such that a tip portion of the core body protrudes from the opening of the casing;
electronic parts that are disposed at a rear stage of the core body holding part in the casing and that, in operation, perform electronic pen functions;
a tubular internal constituent part through which the core body penetrates on the pen tip side in the casing;
an outside ring-shaped elastic component being in contact with an entirety of a circumference of a side surface of the internal constituent part and an entirety of a circumference of an inner wall surface of the casing; and
an inside ring-shaped elastic component being in contact with an entirety of a circumference of a rear end portion of the protective component of the core body and an entirety of a circumference of an inner wall surface of the internal constituent part.