Patent ID: 6312105
Filing Date: 2001-11-06
Classification: B41J

Abstract:
A recording apparatus comprising:a carriage for detachably holding a head cartridge for discharging liquid ink droplets to record, the head cartridge having cartridge positioning portions on both sides thereof and an inclined surface on a rear portion of an upper surface thereof, and further includes a detachable ink tank, said carriage having carriage positioning portions for engaging with the cartridge positioning portions on both sides of the head cartridge, and having a locking lever which is rotatable about the upper surface of the head cartridge and securing the head cartridge within said carriage by pressing the inclined surface in accordance with rotation of said locking lever in a forward direction,wherein an auxiliary engaging section is provided on the head cartridge or said carriage so as to limit free rotation of the head cartridge about said carriage positioning portions by an operational force when the ink tank is mounted in a state with the head cartridge being mounted on said carriage by said locking lever, andwherein said locking lever comprises a swinging arm loaded with a press-contacting spring, a portion of said swinging arm pressing the inclined surface during the operation of securing the head cartridge, and a stopper portion which restricts the rotation of the head cartridge using the cartridge positioning portions of the head cartridge as a fulcrum by the abutment of said swinging arm at substantially the same time when an auxiliary engagement section of the head cartridge contacts an auxiliary engagement section of said carriage.