A set of ink cartridges is configured to mount in a cartridge mounting portion of a recording apparatus in an insertion direction. The set of cartridges includes a first and a second ink cartridge, and each cartridge includes a main body and a particular protrusion positioned adjacent to a bottom wall of the main body and extending from a portion of the main body in the insertion direction away from an ink chamber. The main body includes a first wall, the ink chamber, a communication portion disposed at the first wall; a second wall disposed opposite the first wall, and the bottom wall. The ink chamber is disposed between the first and second walls. A first length difference between a first length of a portion of the bottom wall extending from a rear end of the bottom wall of the first ink cartridge to an end of the particular protrusion of the first ink cartridge and a total length of the first ink cartridge is different from a second length difference between a second length extending from a rear end of the bottom wall of the second ink cartridge to an end of the particular protrusion of the second ink cartridge and a total length of the second ink cartridge.

Claims

15 · 1 independent · depth 5

15 granted claims

›1.independentA set of ink cartridges configured to mount in a cartridge mounting portion of a recording apparatus in an insertion direction, comprising:na first in…+14

›2.↳ 1The set of ink cartridges of claim 1, wherein the first length difference is zero.d2

›3.↳ 1The set of ink cartridges of claim 1, wherein a third length between an upper end and a lower end of the second wall of the second ink cartridge in a …d2+3

›4.↳ 3The set of ink cartridges of claim 3, wherein the main body of the second ink cartridge comprises a recessed corner portion and a top wall connected t…d3+2

›7.↳ 1The set of ink cartridges of claim 1, wherein the particular protrusion of the first ink cartridge comprises a first end, and the particular protrusio…d2

›8.↳ 1The set of ink cartridges of claim 1, wherein the cartridge mounting portion comprises an urging member configured to urge each of the ink cartridges …d2+1

›10.↳ 1The set of ink cartridges of claim 1, wherein the particular protrusion is positioned between the communication portion and the bottom wall in a secon…d2

›11.↳ 1The set of ink cartridges of claim 1, wherein the particular protrusion extends further from the ink chamber in the insertion direction than the commu…d2

›12.↳ 1The set of ink cartridges of claim 1, wherein each of the ink cartridges further comprises a further protrusion positioned at an opposite end of the f…d2

›13.↳ 1The set of ink cartridges of claim 1, wherein the first ink cartridge has a first ink capacity and the second ink cartridge has a second ink capacity,…d2+1

›15.↳ 1The set of ink cartridges of claim 1, wherein a distance between the first wall of the first ink cartridge and the second wall of the first ink cartri…d2

Classifications

2 codes

IPC · International Patent Classification

Section B — Performing operations; transporting

B41J2/175

USPC · US Patent Classification

347/86

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Pendency

2.8 y

1,030 days filing → grant

Office actions

non-final + final

Responses

no RCE

Examiner

Anh T. N. Vo

art unit 2861 · TC 2800

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Citations: 20 back · 0 forward

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1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20110310187 A1	22 Dec 2011

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