Printer

Patent metadata

Field	Value
Publication number	US-9221270-B2
Application number	US-201414497870-A
Country	US
Kind code	B2
Filing date	Sep 26, 2014
Priority date	Oct 2, 2013
Publication date	Dec 29, 2015
Grant date	Dec 29, 2015

Abstract

A printer includes a platen roller, a print head that performs printing on a recording sheet, and a recording sheet guide provided on the same side as the platen roller relative to the recording sheet. Multiple projections are provided on a surface of the recording sheet guide. The projections are elongated in substantially the same direction as a conveyance direction of the recording sheet.

First claim

What is claimed is:

1. A printer, comprising:
a platen roller that rotates to convey a recording sheet;
a print head that performs printing on the recording sheet; and
a first recording sheet guide and a second recording sheet guide that are provided on a same side as the platen roller relative to the recording sheet,
wherein a plurality of projections is provided on a surface of the first recording sheet guide and on a surface of the second recording sheet guide,
wherein the projections are elongated in substantially a same direction as a conveyance direction of the recording sheet, and
wherein the first recording sheet guide is provided on a downstream side of the print head and the platen roller in the conveyance direction of the recording sheet, and the second recording sheet guide is provided on an upstream side of the print head and the platen roller in the conveyance direction of the recording sheet.

2. The printer as claimed in claim 1 , wherein a pitch of the projections is greater than or equal to 1 mm and less than or equal to 10 mm.

3. The printer as claimed in claim 1 , wherein a width of an end portion of each of the projections in a direction perpendicular to the conveyance direction of the recording sheet is greater than or equal to 0.1 mm and less than or equal to 5 mm.

4. The printer as claimed in claim 1 , wherein a ratio of a pitch of the projection to a width of an end portion of each of the projections in a direction perpendicular to the conveyance direction of the recording sheet is greater than or equal to 3 and less than or equal to 20.

Assignees

• Fujitsu Component Ltd

Inventors

• Ishii Yuya
• Watanabe Sumio
• Mori Yukihiro
• Takabatake Yoshinari

Classifications

• B41J15/046

  for the guidance of continuous copy material, e.g. for preventing skewed conveyance of the continuous copy material · CPC title

• B41J15/042 Primary

  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 · CPC title

• B41J2/32 Primary

  using thermal heads · CPC title