| 摘要 |
PURPOSE:To always keep the density of a developer constant, by uniformly stirring a condensed developer by a simple device. CONSTITUTION:A rotating motion of a driving source 12 is converted to a reciprocating motion by a tie rod 11 and is transferred to one end of a lever 10b of a stirring device 10. Accordingly, when a magnet 10a stuck to its other end starts a reciprocating and rotating motion, the tip of a stirring spring 9 of a magnetic material in a replenishing bottle 1 is attracted and interlocked by magnetic force generated by said magnet. The tip of this stirring spring 9 is supported and suspended by elasticity of one wire rod, and is interlocked susceptibly by a motion of the adjacent magnet 10a. Also, the elasticity which the spring itself has and magnetic force of the magnet 10a interfere mutually and the motion of the stirring spring 9 is amplified softly and greatly, and a rocking operation like a surge which executes a reciprocating motion to the left and right, too, as shown by a two point chain line, moving up and down is obtained. By this amplified rocking operation of the stirring spring 9, a condensed developer in the replenishing bottle 1 is stirred uniformly, and density of the condensed developer can be kept constant. |
