A toner cartridge according to one example embodiment includes a housing having a reservoir for containing toner and an exit port in fluid communication therewith. A movable shutter is positioned at the exit port. A linkage is operatively connected to the shutter to open the shutter upon being actua
A toner cartridge according to one example embodiment includes a housing having a reservoir for containing toner and an exit port in fluid communication therewith. A movable shutter is positioned at the exit port. A linkage is operatively connected to the shutter to open the shutter upon being actuated by a first engagement feature in the image forming device. The linkage includes a first linkage member positioned to receive the first engagement feature and a second linkage member connected to the shutter. An interlock is operatively engaged with the linkage and biased toward a locked position preventing the second linkage member from opening the shutter but permitting the first linkage member to move relative to the second linkage member. The interlock is movable to an unlocked position upon being actuated by a second engagement feature in the image forming device that permits the second linkage member to open the shutter.
대표청구항▼
1. A toner cartridge for use in an image forming device, comprising: a housing having a reservoir for containing toner therein, the housing having an exit port in fluid communication with the reservoir;a shutter positioned at the exit port that is movable between an open position to permit toner fro
1. A toner cartridge for use in an image forming device, comprising: a housing having a reservoir for containing toner therein, the housing having an exit port in fluid communication with the reservoir;a shutter positioned at the exit port that is movable between an open position to permit toner from the reservoir to pass out of the exit port and a closed position to prevent toner from passing out of the exit port, the shutter being biased toward the closed position;a linkage operatively connected to the shutter to open the shutter upon being actuated by a first engagement feature in the image forming device, the linkage including a first linkage member positioned to receive the first engagement feature and a second linkage member connected to the shutter; andan interlock operatively engaged with the linkage and biased toward a locked position preventing the second linkage member from opening the shutter but permitting the first linkage member to move relative to the second linkage member, the interlock being movable to an unlocked position upon being actuated by a second engagement feature in the image forming device that permits the second linkage member to open the shutter when the first linkage member is actuated by the first engagement feature. 2. The toner cartridge of claim 1, wherein a first end of the first linkage member includes an engagement surface that is exposed to an exterior portion of the housing to receive the first engagement feature, a second end of the first linkage member overlaps with a first end of the second linkage member, and a second end of the second linkage member is connected to the shutter. 3. The toner cartridge of claim 2, wherein an overlapping portion of one of the first linkage member and the second linkage member is positioned between a pair of side walls of the other of the first linkage member and the second linkage member. 4. The toner cartridge of claim 1, wherein the first linkage member includes a first engagement surface positioned on a rear portion of the housing to contact the first engagement feature to open the shutter and the interlock includes a second engagement surface positioned on a front portion of the housing to contact the second engagement feature to unlock the interlock. 5. The toner cartridge of claim 4, further comprising a slot in the front portion of the housing that allows the second engagement feature to contact the second engagement surface as the toner cartridge is inserted in the image forming device. 6. The toner cartridge of claim 1, wherein the interlock includes a rotatable member pivotally attached to a side wall of the housing and operatively engaged with one of the first linkage member and the second linkage member; and rotation of the rotatable member causes the interlock to move between the locked position and the unlocked position. 7. The toner cartridge of claim 6, wherein rotation of the rotatable member from the locked position to the unlocked position raises the second linkage member into a path of a catch on the first linkage member so that actuation of the first linkage member by the first engagement feature causes the first linkage member to engage the second linkage member causing the second linkage member to move with the first linkage member to open the shutter. 8. The toner cartridge of claim 7, wherein the rotatable member includes a flexible member at a distal end of the rotatable member that includes a curved outer surface that supports a bottom surface of the second linkage member as the second linkage member moves. 9. The toner cartridge of claim 1, wherein when the interlock is in the locked position, the second linkage member is clear from a catch on the first linkage member so that actuation of the first linkage member by the first engagement feature does not move the second linkage member and when the interlock is in the unlocked position, a portion of the second linkage member is in the path of the catch on the first linkage member so that actuation of the first linkage member by the first engagement feature causes the first linkage member to engage the second linkage member causing the second linkage member to move with the first linkage member to open the shutter. 10. A toner cartridge for use in an image forming device having an imaging unit separate from the toner cartridge removably installed therein, the toner cartridge comprising: a housing having a reservoir for containing toner therein, the housing having an exit port in fluid communication with the reservoir;a shutter positioned at the exit port that is movable between an open position to permit toner from the reservoir to pass out of the exit port and a closed position to prevent toner from passing out of the exit port, the shutter being biased toward the closed position;a linkage operatively connected to the shutter to open the shutter upon being actuated by an engagement feature on the image forming device, the linkage including a first linkage member positioned to receive the engagement feature on the image forming device and a second linkage member connected to the shutter; andan interlock operatively engaged with the linkage and biased toward a locked position preventing the second linkage member from opening the shutter but permitting the first linkage member to move relative to the second linkage member, the interlock being movable to an unlocked position upon being actuated by an engagement feature on the imaging unit that permits the second linkage member to open the shutter when the first linkage member is actuated by the engagement feature on the image forming device. 11. The toner cartridge of claim 10, wherein a first end of the first linkage member includes an engagement surface that is exposed to an exterior portion of the housing to receive the engagement feature on the image forming device, a second end of the first linkage member overlaps with a first end of the second linkage member, and a second end of the second linkage member is connected to the shutter. 12. The toner cartridge of claim 11, wherein an overlapping portion of one of the first linkage member and the second linkage member is positioned between a pair of side walls of the other of the first linkage member and the second linkage member. 13. The toner cartridge of claim 10, wherein the first linkage member includes a first engagement surface positioned on a rear portion of the housing to contact a projection connected to an access door on the image forming device to open the shutter and the interlock includes a second engagement surface positioned on a front portion of the housing to contact a projection on the imaging unit to unlock the interlock. 14. The toner cartridge of claim 13, further comprising a slot in the front portion of the housing that allows the engagement feature on the imaging unit to contact the second engagement surface as the toner cartridge is inserted in the image forming device. 15. The toner cartridge of claim 10, wherein the interlock includes a rotatable member pivotally attached to a side wall of the housing and operatively engaged with one of the first linkage member and the second linkage member; and rotation of the rotatable member causes the interlock to move between the locked position and the unlocked position. 16. The toner cartridge of claim 15, wherein rotation of the rotatable member from the locked position to the unlocked position raises the second linkage member into a path of a catch on the first linkage member so that actuation of the first linkage member by the engagement feature on the image forming device causes the first linkage member to engage the second linkage member causing the second linkage member to move with the first linkage member to open the shutter. 17. The toner cartridge of claim 16, wherein the rotatable member includes a flexible member at a distal end of the rotatable member that includes a curved outer surface that supports a bottom surface of the second linkage member as the second linkage member moves.
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