Title:
TUBE PUMP
Document Type and Number:
Japanese Patent JP2022107447
Kind Code:
A
Abstract:
To allow easier work of attachment of tube while reducing the production cost.SOLUTION: A tube pump has: a roller assembly 30 that is provided to be rotatable with a drive shaft 23 penetrating an attachment base 21 and has a pair of rollers 32 at symmetrical positions with the drive shaft 23 as the center, and a guide member 40 that is disposed at the attachment base 21 on the side of the roller assembly 30. The roller assembly 30 has a cover 33 provided to cover the pair of rollers 32. The cover 33 has: an elongated basal part 331 with its longitudinal direction to be along the direction in which the pair of rollers 32 are separated; and blades 332 extending in the normal direction from both ends of the basal part 331. The blade 332 has: a projection extension part 3321 that projects to approach the attachment base 21 from the boundary with the basal part 331; and an inclination extension part 3322 that is inclined to gradually separate from the attachment base 21 as it goes toward the normal direction from the projection extension part 3321.SELECTED DRAWING: Figure 6
Inventors:
KAGEYAMA TOSHIYUKI
OZAWA TATSUNORI
OZAWA TATSUNORI
Application Number:
JP2021002405A
Publication Date:
July 21, 2022
Filing Date:
January 08, 2021
Export Citation:
Assignee:
FUJI ELECTRIC CO LTD
International Classes:
F04C5/00
Attorney, Agent or Firm:
Sakai International Patent Office
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