Ink container configured for use with compact supply station

• US 6,386,692 B1
• Filed: 08/31/2000
• Issued: 05/14/2002
• Est. Priority Date: 04/27/1995
• Status: Expired due to Term

• Current Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Original Assignee: Hewlett-Packard Company (HP Inc.)
• Inventors: Underwood, John A., Gast, Paul David, Clark, James E., Barinaga, John A., Cowger, Bruce, Hmelar, Susan M.
• Primary Examiner(s): NGHIEM, MICHAEL P
• Application Number:
  US09/653,463
• Time in Patent Office: 621 Days
• Field of Search: 347/85, 347/86, 347/87, 347/49, 347/50, 141/2, 141/18, 141/383, 141/386, 222/325
• US Class Current: 347/86
• CPC Class Codes: B41J 2/17503 Ink cartridges
• CPC Class Codes: B41J 2/17506 Refilling of the cartridge
• CPC Class Codes: B41J 2/17509 Whilst mounted in the printer
• CPC Class Codes: B41J 2/17513 Inner structure
• CPC Class Codes: B41J 2/1752 Mounting within the printer
• CPC Class Codes: B41J 2/17526 Electrical contacts to the cartridge
• CPC Class Codes: B41J 2/1755 mechanically
• CPC Class Codes: B41J 2/17553 Outer structure
• CPC Class Codes: B41J 2/17566 Ink level or ink residue control
• CPC Class Codes: B41J 2/17596 Ink pumps, ink valves
• CPC Class Codes: B41J 2002/17573 using optical means for ink level indication
• CPC Class Codes: B41J 2002/17576 using a floater for ink level indication
• CPC Class Codes: B41J 25/34 Bodily-changeable print heads or carriages

Abstract

The present invention is a replaceable ink container for use in a printing system. The printing system is of the type having a printhead mounted in a scanning carriage and a supply station for receiving the replaceable ink container. The supply station is in fluid communication with the printhead. The replaceable ink container includes a fluid outlet configured for engaging corresponding fluid inlet portions on the supply station. Also included is a first and second guide feature disposed on an outer surface of the replaceable ink container. The first and second guide features'"'"'are disposed and arranged to engage corresponding first and second guiding features disposed on opposite ends of the supply station to guide the replaceable ink container into the supply station to fluidically couple the fluid outlet and corresponding fluid inlet.

Claims

1. A replaceable ink container for use in an off-axis printing system, the off-axis printing system having a printhead mounted in a movable scanning carriage and a stationary supply station for receiving the replaceable ink container, the supply station being in fluid communication with the printhead mounted in the scanning carriage for providing ink from the replaceable ink container to the printhead, the replaceable ink container comprising:

a fluid outlet configured for engaging a corresponding fluid inlet portion on the supply station; and

first and second guide features disposed on and projecting outwardly from opposite sides of an outer surface of the replaceable ink container, wherein a shape defining the first outwardly projecting guide feature is unlike a shape defining the second outwardly projecting guide feature, wherein the first and second outwardly projecting guide features are disposed and arranged to engage corresponding first and second guiding features disposed on opposite ends of the supply station, the corresponding first and second guiding features guiding the replaceable ink container into the supply station upon non-rotatable insertional movement of the replaceable ink container into the supply station to fluidically couple the fluid outlet to the corresponding fluid inlet portion, and wherein the shapes of the first and second outwardly projecting guide features being unlike defines the replaceable ink container as asymmetrical which prevents the replaceable ink container from being inserted into the supply station in more than one orientation relative to the supply station.

2. The replaceable ink container of claim 1 wherein the opposite ends of the supply station are first and second ends that define a compartment with the first and second ends including the corresponding first and second guiding features, respectively, for guiding the replaceable ink container into the supply station.

3. The replaceable ink container of claim 2 wherein the corresponding first and second guiding features of the supply station are at least one channel defined in each of the first and second ends of the supply station with each channel having a channel orientation along a direction of insertion of the replaceable ink container into the supply station.

4. The replaceable ink container of claim 1 wherein the first and second outwardly projecting guide features of the replaceable ink container are first and second projection members that extend from the outer surface of the replaceable ink container, and wherein the first and second projection members engage the corresponding first and second guiding features so as to limit movement of the replaceable ink container to a non-rotatable, linear sliding motion along a direction of insertion of the replaceable ink container into the supply station.

5. The replaceable ink container of claim 1 wherein the replaceable ink container has a leading edge defined as that edge of the replaceable ink container first received by the supply station upon insertion of the replaceable ink container into the supply station, and wherein the fluid outlet is disposed on the leading edge.

6. The replaceable ink container of claim 1 wherein only the first and second outwardly projecting guide features of the replaceable ink container engage the supply station to guide the replaceable ink container into the supply station to fluidically couple the fluid outlet to the corresponding fluid inlet portion.

7. The replaceable ink container of claim 1 wherein the replaceable ink container is inserted into the supply station along an insertion direction that is vertical.

8. The replaceable ink container of claim 1 wherein the replaceable ink container has a minor axis and a major axis oriented orthogonal to a direction of insertion of the replaceable ink container into the supply station, and wherein the first and second outwardly projecting guide features are disposed on the major axis.

9. An off-axis printing system having a plurality of printheads mounted in a movable scanning carriage, the off-axis printing system including a plurality of replaceable ink containers and a stationary supply station for receiving the plurality of replaceable ink containers, the stationary supply station being in fluid communication with the plurality of printheads mounted in the movable scanning carriage for providing ink from the plurality of replaceable ink containers to the plurality of printheads, the off-axis printing system comprising:

a stationary supply station in fluid communication with the plurality of printheads, the supply station having a plurality of fluid inlets and a plurality of pairs of first and second guiding features disposed on opposite sides of the supply station; and

a plurality of replaceable ink containers with each ink container including a fluid outlet configured for engaging a corresponding fluid inlet of the plurality of fluid inlets on the supply station, and first and second guide features disposed on and projecting outwardly from opposite sides of each ink container, wherein a shape defining the first outwardly projecting guide feature is unlike a shape defining the second outwardly projecting guide feature, wherein the first and second outwardly projecting guide features of each ink container are configured to engage corresponding first and second guiding features of the plurality of pairs of first and second guiding features on the supply station to guide each ink container of the plurality of replaceable ink containers into the supply station upon non-rotatable insertional movement of each ink container into the supply station to fluidically couple the fluid outlets and the corresponding fluid inlets, and wherein the shapes of the first and second outwardly projecting guide features of each ink container being unlike defines each ink container as asymmetrical which prevents each ink container from being inserted into the supply station in more than one orientation relative to the supply station.

10. The off-axis printing system of claim 9 wherein only the plurality of pairs of first and second guiding features of the supply station define spacings between adjacent ink containers of the plurality of replaceable ink containers.

11. A method for inserting an ink container into an off-axis printer having a printhead mounted in a movable scanning cartridge, the off-axis printer including a stationary supply station in fluid communication with the printhead mounted in the movable scanning carriage for providing ink from the ink container to the printhead, the method comprising the steps of:

positioning a first ink container into the supply station so that first and second guide features disposed on and projecting outwardly from opposite sides of an outer surface of the first ink container engage first and second guiding features, respectively, disposed on opposite ends of the supply station, wherein a shape defining the first outwardly projecting guide feature is unlike a shape defining the second outwardly projecting guide feature; and

inserting the first ink container into the supply station using non-rotatable movement of the first ink container such that the first and second guiding features on the supply station together with the first and second outwardly projecting guide features of the first ink container guide the first ink container into the supply station to position an ink outlet of the first ink container into engagement with an ink inlet of the supply station to fluidically couple the first ink container and the supply station, and wherein the shapes of the first and second outwardly projecting guide features being unlike defines the first ink container as asymmetrical which prevents the first ink container from being inserted into the supply station in more than one orientation relative to the supply station.

12. The method for inserting an ink container into a printer of claim 11 further including positioning a second ink container into the supply station immediately adjacent the first ink container so that third and fourth guide features disposed on and projecting outwardly from opposite sides of an outer surface of the second ink container engage third and fourth guiding features, respectively, disposed on the opposite ends of the supply station adjacent to the first and second guiding features, respectively, wherein a shape defining the third outwardly projecting guide feature is unlike a shape defining the fourth outwardly projecting guide feature, and wherein the shapes of the third and fourth outwardly projecting guide features being unlike defines the second ink container as asymmetrical which prevents the second ink container from being inserted into the supply station in more than one orientation relative to the supply station.

13. The method for inserting an ink container into a printer of claim 11 further including providing ink from the first ink container to the printhead.

14. A method for inserting an ink container into an off-axis printer having a printhead mounted in a movable scanning cartridge, the off-axis printer including a stationary supply station in fluid communication with the printhead mounted in the movable scanning carriage for providing ink from the ink container to the printhead, the method comprising the steps of:

positioning a first ink container into the supply station so that first and second guide features disposed on and projecting outwardly from opposite sides of an outer surface of the first ink container engage first and second guiding features, respectively, disposed on opposite ends of the supply station, wherein a shape defining the first guide feature is unlike a shape defining the second guide feature;

inserting the first ink container into the supply station using non-rotatable movement of the first ink container such that the first and second guiding features on the supply station together with the first and second guide features of the first ink container guide the first ink container into the supply station to position an ink outlet of the first ink container into engagement with an ink inlet of the supply station to fluidically couple the first ink container and the supply station, and wherein the shapes of the first and second outwardly projecting guide features being unlike defines the replaceable ink container as asymmetrical which prevents the replaceable ink container from being inserted into the supply station in more than one orientation relative to the supply station;

providing ink from the first ink container to the printhead; and

refilling the first ink container.