Input device and top member of operation stick

Abstract

The height, size, shape, texture, and the like of an operation stick are enabled to be changed easily on an input device. The input device has a top member having an upper surface to be touched by a finger of a user and a base member to which the top member is attached. The top member includes a tubular portion extending downward. The base member includes a column portion that can be fitted into the inside of the tubular portion. An elastic member is attached to the peripheral surface of the column portion. The elastic member is located on the inside of the tubular portion and catches the inner surface of the tubular portion to limit upward movement of the top member.

Dependencies are inferred from the claim text.