US 11,939,715 B2
Liquid discharge device, liquid discharge apparatus, and dyeing apparatus
Masayuki Sunaoshi, Ibaraki (JP)
Assigned to RICOH COMPANY, LTD., Tokyo (JP)
Filed by Masayuki Sunaoshi, Ibaraki (JP)
Filed on Dec. 16, 2019, as Appl. No. 16/714,839.
Claims priority of application No. 2018-248200 (JP), filed on Dec. 28, 2018.
Prior Publication US 2020/0208317 A1, Jul. 2, 2020
Int. Cl. D06B 1/02 (2006.01); B41J 3/407 (2006.01); B41J 19/04 (2006.01); B41J 25/00 (2006.01); D06B 11/00 (2006.01)
CPC D06B 1/02 (2013.01) [B41J 19/04 (2013.01); B41J 25/003 (2013.01); D06B 11/0023 (2013.01); B41J 3/4078 (2013.01); D06B 2700/09 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A liquid discharge apparatus comprising:
a liquid discharge head including a nozzle face in which a nozzle is formed and configured to discharge a liquid;
a carriage on which the liquid discharge head is mounted;
a guide shaft to hold the carriage movably;
at least one bearing in which the guide shaft is movably fitted;
a driver to move the carriage, the driver including a crank coupled to the carriage; and
a coupling between the carriage and the crank, the coupling disposed on an axis of the guide shaft in a direction orthogonal to the axis of the guide shaft,
wherein, in an axial direction of the guide shaft, the coupling is disposed between both ends of the at least one bearing, or the at least one bearing includes two bearings and the coupling is disposed between the two bearings in the axial direction of the guide shaft, and
the liquid discharge apparatus further comprises an elastic structure disposed between the carriage and a fixed portion of the liquid discharge apparatus, the elastic structure being disposed to pull the carriage obliquely downward with respect to the axis of the guide shaft.