US Patent No. 9,242,470

RECORDING APPARATUS


Patent No. 9,242,470
Issue Date January 26, 2016 
Title Recording Apparatus
Inventorship Seiji Suzuki, Ebina (JP)
Yuji Kanome, Yokohama (JP)
Hiroyuki Tanaka, Kawasaki (JP)
Yoshiaki Suzuki, Nagareyama (JP)
Masahiro Sugimoto, Yokohama (JP)
Susumu Hirosawa, Tokyo (JP)
Takeaki Nakano, Inagi (JP)
Assignee Canon Kabushiki Kaisha, Tokyo (JP)

Claim of US Patent No. 9,242,470

1. An apparatus comprising:
a convey mechanism configured to convey a sheet in a first direction;
a recording head configured to perform recording by discharging ink on the sheet, the recording head including a base board
having a first nozzle chip group in which a plurality of first nozzle chips, in each of which a plurality of nozzles is arranged
in a second direction crossing the first direction, is provided in the second direction, a second nozzle chip group in which
a plurality of second nozzle chips, in each of which a plurality of nozzles is arranged in the second direction, is provided
in the second direction, and a plurality of first and second sealing portions, the plurality of first sealing portions provided
in end portions of the plurality of first nozzle chips in the second direction, and the plurality of second sealing portions
provided in end portions of the plurality of second nozzle chips in the second direction, each of the plurality of first and
second sealing portions protruding from the base board, wherein the first nozzle chip group and the second nozzle chip group
are arranged so as to be shifted from each other in the first direction, and wherein a first nozzle chip and a second nozzle
chip which are adjacent to each other, the first nozzle chip being from the first nozzle chip croup and the second nozzle
chip being from the second nozzle chip group, are shifted from each other in the second direction;

a suction holder including a first suction unit configured to suck ink from the plurality of first nozzle chips and a second
suction unit configured to suck ink from the plurality of second nozzle chips, wherein the first suction unit and the second
suction unit are shifted from each other in the second direction by an amount that corresponds to the shift between the first
nozzle chip and the second nozzle chip; and

an urging member configured to urge the suction holder in such a manner that the first suction unit and the second suction
unit are in contact with the base board;

wherein the suction holder moves in the second direction in a state where the first suction unit and the second suction unit
are urged to the base board, and in moving in the second direction, the first suction unit and the second suction unit abut
the first and second sealing portions, respectively, simultaneously, such configuration allowing the first suction unit and
the second suction unit to perform suctioning of the nozzles across which they move as they move in the second direction,
even where the sealing portions protrude over a surface height of the nozzles.