Patent ID: 9233542
Filing Date: 2016-01-12
CPC Classification: B41J

Claim Text:
1. A wiper device comprising: a plurality of wipers having fewer wipers than the number of rows of heads in a head unit having plural rows of plural heads that eject fluid; a motor; a wiper drive mechanism configured to slide the wiper against the nozzle face of the head and wipes a row of heads based on rotation of the motor; and a wiper moving mechanism configured to move the wiper to a first position for wiping a first row of the plural rows of heads, and a second position for wiping a second row that is different from the first row, wherein: the wiper drive mechanism has a drive shaft that turns based on rotation of the motor, each of the plural wipers configured to contact the nozzle face of the head based on rotation of the intermittent gear and wipes the row of heads; and the plural gear units are connected to the intermittent gear and drive gear mesh sequentially along the line of gear units based on rotation of the drive shaft in one direction.