Patent ID: 7815186
Filing Date: 2010-10-19
Classification: B41J

Abstract:
1. A cartridge, comprising: a base having a boss and a cartridge spring; a tray slidably mounted on the base and corresponding to the cartridge spring in a manner in which the cartridge spring offers the tray a resilient force; and a latching element having an eccentric hole that receives the boss of the base, wherein a spring connects the latching element to the base so that the latching element can secure the tray to the base or release the tray from the base, the latching element including a stopper and a ring part, the stopper being disposed on one side of the latching element, a guiding face being extended from the stopper toward a hookin part at a certain angle from the direction of the hooking part, the ring part being disposed on a side of the latching element opposite to the side on which the stopper is disposed, and the ring part having the eccentric hole formed therein, a leg extends from a bottom of the ring part, a slot being formed around the boss, the leg penetrating through the slot to reach at one end of the spring, the base further having a retainer that connects to the other end of the spring.