An ink cartridge for an inkjet printer includes a bottom face and a front face; interfaces on the front face of the ink cartridge for connection to a cartridge receiving structure, the interfaces including an ink interface; a guide interface in the bottom face for guiding the cartridge along a strai
An ink cartridge for an inkjet printer includes a bottom face and a front face; interfaces on the front face of the ink cartridge for connection to a cartridge receiving structure, the interfaces including an ink interface; a guide interface in the bottom face for guiding the cartridge along a straight line for connecting the interfaces; and a latch stop and a latch track disposed in the bottom face of the ink cartridge to guide and retain, respectively, a latch of the cartridge receiving structure. The latch track includes a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track, the movement of the latch being along the locking track into a locked engagement position at insertion, and along the unlocking track into an unlocked position at ejection.
대표청구항▼
1. An ink cartridge for an inkjet printer, the ink cartridge comprising: a bottom face and a front face;interfaces on the front face of the ink cartridge for connection to a cartridge receiving structure, the interfaces including an ink interface;a guide interface in the bottom face comprising a cut
1. An ink cartridge for an inkjet printer, the ink cartridge comprising: a bottom face and a front face;interfaces on the front face of the ink cartridge for connection to a cartridge receiving structure, the interfaces including an ink interface;a guide interface in the bottom face comprising a cut out for receiving a guide rail of the cartridge receiving structure between opposite sides of the cut out for guiding the cartridge along a straight line for connecting the interfaces; anda latch stop and a latch track disposed in the bottom face of the ink cartridge to guide and retain, respectively, a latch of the cartridge receiving structure;wherein the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track, the movement of the latch being along the locking track into a locked engagement position at insertion, andalong the unlocking track into an unlocked position at ejection. 2. The ink cartridge of claim 1, comprising a latch guide wall at an end of the locking track to direct the latch to engagement with the latch stop. 3. The ink cartridge of claim 1, wherein the latch stop comprises a latch stop wall and a latch abutment, the latch abutment comprising a protrusion in the latch stop wall for retaining the latch. 4. The ink cartridge of claim 1, wherein the latch stop is disposed between and separates portions of the locking track and the unlocking track. 5. The ink cartridge of claim 4, further comprising a projection extending laterally into the latch track that directs the latch, which is disposed on a pivoting arm, toward the locking track on a first side of the latch stop, rather than the unlocking track on an opposite side of the latch stop. 6. The ink cartridge of claim 4, further comprising a jog in the latch track along a direction the latch moves through the latch track, said jog directing the latch, which is disposed on a pivoting arm, into the locking track along a first side of the latch stop for insertion of the ink cartridge in the cartridge receiving structure, wherein the latch moves in the unlocking track along a second, opposite side of the latch stop during removal of the ink cartridge. 7. The ink cartridge of claim 1, wherein the guide interface comprises a guide track that extends parallel to said straight line. 8. The ink cartridge of claim 7, wherein the ink interface comprises a socket for receiving a pen having a length that is as long or shorter than the guide track, wherein a central axis of the socket is parallel to said straight line. 9. The ink cartridge of claim 1, wherein the ink interface comprises a socket for receiving a conically shaped pen of the receiving structure, the ink interface comprising a seal ring of resilient material to stretch an inner diameter to engage the pen along its conical shape at insertion. 10. The ink cartridge of claim 1, wherein the interfaces comprise an electrical circuit for electrical contact between the ink cartridge and the cartridge receiving structure. 11. The ink cartridge of claim 10, wherein the electrical circuit is recessed in the front face of the ink cartridge, so that electrical contact is made after at least one other interface has been connected. 12. The ink cartridge of claim 11, wherein the electrical circuit comprises electrodes that extend in a plane that is approximately perpendicular to the front face of the ink cartridge, and approximately parallel to the straight line, for establishing a sideways connection with a corresponding connector circuit of the ink cartridge receiving structure. 13. The ink cartridge of claim 10, wherein the electrical circuit is disposed in an upper portion of the front face of the ink cartridge and the ink interface is disposed in a lower portion of the front face of the ink cartridge. 14. The ink cartridge of claim 1, wherein the interfaces on the front face comprise an ejector alignment interface, the ejector alignment interface comprising a ring-shaped ridge. 15. The ink cartridge of claim 1, further comprising a projection extending into the latch track that, during ejection of the cartridge, directs the latch to a position that will align with the locking track, rather than the unlocking track, when a cartridge is subsequently reinserted. 16. The ink cartridge of claim 1, wherein the guide interface and the latch track are formed by one integral cut out in the bottom face of the ink cartridge. 17. An ink cartridge for an inkjet printer, the ink cartridge comprising: a bottom face and a front face;interfaces on the front face of the ink cartridge for connection to a cartridge receiving structure, the interfaces including an ink interface;a guide interface in the bottom face for guiding the cartridge along a straight line for connecting the interfaces; anda latch stop and a latch track disposed in the bottom face of the ink cartridge to guide and retain, respectively, a latch of the cartridge receiving structure;wherein the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track, the movement of the latch being along the locking track into a locked engagement position at insertion, andalong the unlocking track into an unlocked position at ejection;wherein the guide interface comprises a guide track that extends parallel to said straight line; andwherein the guide track comprises a T-shaped cut out for guiding a corresponding T-shaped rail of the cartridge receiving structure. 18. The ink cartridge of claim 17, wherein the guide track comprises a guide stop for engaging an end of the T-shaped rail. 19. An ink cartridge for an inkjet printer, the ink cartridge comprising: a bottom face and a front face;interfaces on the front face of the ink cartridge for connection to a cartridge receiving structure, the interfaces including an ink interface;a guide interface in the bottom face for guiding the cartridge along a straight line for connecting the interfaces; anda latch stop and a latch track disposed in the bottom face of the ink cartridge to guide and retain, respectively, a latch of the cartridge receiving structure;wherein the latch track comprises a locking track and an unlocking track to accommodate movement of the latch with respect to the latch stop, the locking track being at least partly separate from the unlocking track, the movement of the latch being along the locking track into a locked engagement position at insertion, andalong the unlocking track into an unlocked position at ejection;wherein the guide interface comprises a guide track that extends parallel to said straight line; andwherein the guide track comprises a tapered receiving opening at the front face of the ink cartridge. 20. The ink cartridge of claim 19, wherein the guide track comprises flanges being tapered near the receiving opening.
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이 특허에 인용된 특허 (7)
Clark James E. ; Hmelar Susan M. ; Battey Robert L. ; Bullock Michael L. ; Merrill David O., Electrical interconnect for replaceable ink containers.
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