Title:
TUBE PUMP AND INK JET RECORDING DEVICE USING THE TUBE PUMP
Document Type and Number:
Japanese Patent JP2003206870
Kind Code:
A
Abstract:
To provide a tube pump increasing a sucking efficiency.
A flexible tube 51 is disposed in an arc shape along a tube support surface 52 and sequentially pressed down by receiving a pressing by a roller 43 to produce a negative pressure. Elastic recovering bodies 60 having an outside curvature smaller than that of a cross section orthogonal to the longitudinal direction of the tube are formed in the tube 51 integrally with each other along the longitudinal direction of the tube. These elastic recovering bodies 60 act so as to recover the tube to an original shape immediately after receiving the pressing by the roller 43. Thus, the tube pump increasing the sucking efficiency by the presence of the elastic recovering bodies 60 is provided.
More Like This:
| JP2016155278 | INK JET PRINTER AND INK CARTRIDGE |
| JPH08295027 | INK JET RECORDING APPARATUS |
| JP2009178847 | RECORDER |
Inventors:
IIZUKA KOJIRO
TAKAHASHI MASARU
HAYAKAWA HITOSHI
TAKAHASHI MASARU
HAYAKAWA HITOSHI
Application Number:
JP2002003407A
Publication Date:
July 25, 2003
Filing Date:
January 10, 2002
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
B41J2/165; B41J2/18; B41J2/185; F04C5/00; F04C13/00; F04C15/00; (IPC1-7): F04C5/00; B41J2/165; B41J2/18; B41J2/185; F04C13/00; F04C15/00
Attorney, Agent or Firm:
Shigeru Kinoshita
Previous Patent: ELECTROMAGNETIC RECIPROCATINGLY DRIVING DEVICE AND DIAPHRAGM AIR PUMP
Next Patent: SCROLL COMPRESSOR
Next Patent: SCROLL COMPRESSOR