Olympus Optical Company, Ltd.

Olympus Corporation

Fumihiro Ueno

Noriko Yokoyama

Kyoichi Inoue

Akira Yamamoto

Katsumi Sugata

Motoharu Miki

Nobuyuki Koyama

Masao Shionoya

An ink jet printer of the present invention includes at least one ink head which jets ink to a recording medium surface of a recording medium. This ink head has a nozzle plate in which a nozzle for jetting ink is formed and at least one rib which is formed so as to project toward the side of the recording medium rather than the nozzle. The ribs are gradually tapered toward the side of the recording medium.

Ink jet printer

Cap for an ink bottle

Ink bottle

Cap for ink bottle

A second ink bottle is detachably attached to a bottle holder of an ink jet printer, and lower than a first ink bottle including an outflow port connected to an inflow port of the bottle holder when the ink bottle is attached to the bottle holder. The second ink bottle includes a main body having bottom and upper surfaces, in which ink is contained, a joint portion disposed on an upper portion of the main body and having an outflow port connectable to the inflow port, and a spacer detachably attached to a lower side of the main body. A height of the outflow port of the second ink bottle to a bottom surface of the spacer equals that of the outflow port of the ink bottle to a bottom surface of the first ink bottle, when the spacer is attached to the main body.

Ink bottle with a cap

Growing community of inventors

Hachioji, Japan

Fumihiro Ueno