TUBE PUMP - CKD CORP

Title:

TUBE PUMP

Document Type and Number:

Japanese Patent JP2005256813

Kind Code:

A

Abstract:

To provide a tube pump miniaturizing a motor while ensuring sealing force at the stop.

In this tube pump 1, a tube guide 6 is provided on one side of a rotor 4 journaling three rollers 5, 5, 5 rotatably, and a tube T is attached between the rotor 4 and the tube guide 6. When a stepping motor 14 connected to the rotor 4 is driven, the three rollers 5, 5, 5 move in a predetermined direction and sequentially crush and draw the tube T between the tube guide 6 and the rollers. The tube pump 1 is provided with a swing plate 13 for holding the rotor 4 movably in a direction to abut on or separate from the tube guide 6; a tension spring 30 energizing the rotor 4 in a direction to abut on the tube guide 6; and a relaxing means 31 for relaxing the energizing force of the tension spring 30.

Inventors:

ANDO KANAME
SUEMATSU OSAMU
SAKAKIBARA TAKAHIDE
KAMEYAMA FUMIICHIRO

Application Number:

JP2004073224A

Publication Date:

September 22, 2005

Filing Date:

March 15, 2004

Export Citation:

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Assignee:

CKD CORP
SANYO ELECTRIC CO

International Classes:

F04C5/00; A61M1/10; (IPC1-7): F04C5/00; A61M1/10

Attorney, Agent or Firm:

Takashi Tomizawa
Ikuo Yamanaka
Akika Okado

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