Title:
TUBE PUMP AND INKJET TYPE RECORDING DEVICE USING THE SAME
Document Type and Number:
Japanese Patent JP2012026454
Kind Code:
A
Abstract:
To provide a tube pump which is excellent in quietness without causing impact noise and guarantee a positive pumping action.
A flexible tube 51 has a tube overlapping part M formed by crossing a tube introduction part 51a and a tube outlet part 51b, and is arranged along a tube supporting surface 52 over the entire circumference including the tube overlapping part M. A roller 43 includes a single roller in which a pressurizing position to the flexible tube 51 moves in a rotating direction of a pump wheel 42 by receiving rotational driving force of the wheel in one direction. Accordingly, the structure of the tube pump is simplified, and the roller 43 is constantly in contact with the flexible tube 51.
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Inventors:
IIZUKA KOJIRO
HAYAKAWA HITOSHI
TAKAHASHI MASARU
OTA KAII
HAYAKAWA HITOSHI
TAKAHASHI MASARU
OTA KAII
Application Number:
JP2011219018A
Publication Date:
February 09, 2012
Filing Date:
October 03, 2011
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
F04C5/00
Domestic Patent References:
| JPS57500115A | 1982-01-21 | |||
| JPH05133350A | 1993-05-28 | |||
| JPH08318624A | 1996-12-03 |
Attorney, Agent or Firm:
Masahiko Ueyanagi
Osamu Suzawa
Kazuhiko Miyasaka
Osamu Suzawa
Kazuhiko Miyasaka