# US 8,540,362 B2 · Liquid ejection device

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- Number: US 8,540,362 B2
- Document ID: US8540362B2
- Status: Granted
- Kind: B2
- Application number: 13/705,614
- Filed: 2012-12-05
- Published: 2013-04-18
- Granted: 2013-09-24
- Earliest claimed: 2010-03-03
- Assignees: Seiko Epson Corporation
- Applicants: Seiko Epson Corporation
- Inventors: Keisuki Yamaya
- Web page: https://patentgrep.com/patent/US8540362B2

## CPC

- B41J 15/04: Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
- B41J 15/042: {for loading rolled-up continuous copy material into printers, e.g. for replacing a used-up paper roll; Point-of-sale printers with openable casings allowing access to the rolled-up continuous copy material}
- B41J 2/01: Ink jet
- B65H 19/126: {with both-ends supporting arrangements}
- B65H 2402/31: Pivoting support means
- B65H 2402/441: movable for facilitating access to area inside the housing, e.g. pivoting or sliding
- B65H 2403/70: Clutches; Couplings
- B65H 2801/06: Office-type machines, e.g. photocopiers
- B65H 2801/12: Single-function printing machines, typically table-top machines
- B41J: TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B65H: HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES

## Abstract

A liquid ejection device includes a first rolled medium accommodation unit, a second rolled medium accommodation unit and a liquid ejection head. The first rolled medium accommodation unit is configured to accommodate a rolled medium, the first rolled medium accommodation unit being movable along a first path. The second rolled medium accommodation unit is configured to accommodate the rolled medium, the second rolled medium accommodation unit being movable along a second path. The liquid ejection head is configured to eject an ink as a liquid onto a medium supplied by being unwound from the rolled medium.

## Claims

### Claim 1

A liquid ejection device comprising:
a first rolled medium accommodation unit configured to accommodate a rolled medium, the first rolled medium accommodation unit being movable along a first path;
a second rolled medium accommodation unit configured to accommodate the rolled medium, the second rolled medium accommodation unit being movable along a second path; and
a liquid ejection head configured to eject an ink as a liquid onto a medium supplied by being unwound from the rolled medium.

### Claim 2 (depends on 1)

The liquid ejection device according to claim 1, wherein
the first path is an arcuate path, and
the second path is a straight path.

### Claim 3 (depends on 1)

The liquid ejection device according to claim 1, wherein
the second rolled medium accommodation unit is movable over a base part having a pair of support braces standing upright from the base part, and
the first rolled medium accommodation unit is supported by the support braces.

### Claim 4 (depends on 1)

The liquid ejection device according to claim 1, wherein
the second rolled medium accommodation unit is movable between a pair of partitioning plates fixedly coupled to one of a base part and a pair of support braces.

### Claim 5 (depends on 1)

The liquid ejection device according to claim 1, wherein
the second rolled medium accommodation unit is disposed at a position lower than a highest position of the first rolled medium accommodation unit along the first path.