US 11,890,859 B2
Sheet heater, liquid discharge apparatus, and printer
Kohki Asada, Tokyo (JP); Kazuaki Kamihara, Tokyo (JP); Masato Ogawa, Kanagawa (JP); Hiroshi Sawase, Kanagawa (JP); Yoshihiro Takahashi, Tokyo (JP); Ryusaku Hida, Kanagawa (JP); Kenji Nozawa, Ibaraki (JP); and Genichiroh Kawamichi, Ibaraki (JP)
Assigned to RICOH COMPANY, LTD., Tokyo (JP)
Filed by Kohki Asada, Tokyo (JP); Kazuaki Kamihara, Tokyo (JP); Masato Ogawa, Kanagawa (JP); Hiroshi Sawase, Kanagawa (JP); Yoshihiro Takahashi, Tokyo (JP); Ryusaku Hida, Kanagawa (JP); Kenji Nozawa, Ibaraki (JP); and Genichiroh Kawamichi, Ibaraki (JP)
Filed on Aug. 25, 2021, as Appl. No. 17/411,073.
Claims priority of application No. 2020-143980 (JP), filed on Aug. 27, 2020; and application No. 2021-099243 (JP), filed on Jun. 15, 2021.
Prior Publication US 2022/0063300 A1, Mar. 3, 2022
Int. Cl. B41J 11/00 (2006.01); B41J 29/377 (2006.01)
CPC B41J 11/0015 (2013.01) [B41J 29/377 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A sheet heater comprising:
a first conveyance belt to convey a sheet on which a liquid has been discharged in a conveyance direction;
a heater facing the first conveyance belt to heat the sheet conveyed by the first conveyance belt; and
a second conveyance belt disposed upstream of the first conveyance belt in the conveyance direction to convey the sheet to the first conveyance belt,
wherein air sucking the sheet on the second conveyance belt is blown to a returning path of the second conveyance belt so as to cool the second conveyance belt, and
a surface temperature of the second conveyance belt is lower than a surface temperature of the first conveyance belt when the first conveyance belt and the second conveyance belt convey the sheet.