Patent ID: 8147223
Filing Date: 2012-04-03
Classification: B41J

Abstract:
1. A tube pump comprising: a flexible tube in which a fluid passage is formed; an accommodating case for accommodating the flexible tube, the tube extending along a substantially circular inner wall of the case, the inner wall having an opening, the tube extending to the exterior of the case through the opening, the tube having a first portion and a second portion, which are located close to each other in the vicinity of the opening; a pressing member revolving in the accommodating case, the pressing member moving from the first portion to the second portion along the flexible tube while pressing and squeezing a portion of the tube against the inner wall of the case; and an assistant member provided in the vicinity of the opening of the accommodating case, the assistant member having a clamped portion and a damper portion, wherein the clamped portion is a plate-like member clamped by the first portion and the second portion, wherein an end of the damper portion is located radially inner from a radially inner circular surface of the tube extending substantially circular.