Patent ID: 6082977
Filing Date: 2000-07-04
Classification: B41J,F04B

Abstract:
An ink-jet recording device comprising:a nozzle for ejecting ink droplets;an ink path in communication with said nozzle; anda pump disposed in said ink path for generating pressure therein, wherein said pump comprisesa flexible tube,an arc-shaped guide for mounting a part of said flexible tube,a roller for sequentially pressurizing and deforming said flexible tube on said guide,a lever for supporting said roller for movement to a first position where said roller pressurizes said tube and for movement to a second position where pressure applied to said tube by said roller is relieved,an urging means for biasing said lever toward said guide, anda rotor including means for pivotally mounting said lever, and further comprisingmeans for rotatively supporting said rotor, and wherein said roller moves to said first position when said rotor rotates in a first direction, and moves to said second position when said rotor rotates in a second direction opposite to said first direction.