Patent ID: 7048429
Filing Date: 2006-05-23
Classification: B01F,B28C

Abstract:
1. A concrete mixer rotatably supporting a drum to a mounting frame and rotating said drum while using a driving motor so as to mix various kinds of materials in said drum, comprising: a vibration device fixed to at least said mounting frame; and a vibration transmitting means for transmitting a vibration of said vibration device to said drum is provided on said mounting frame, said vibration transmitting means comprising: wherein said drum has a cylindrical shape having an open end and a bottom portion, said drum including a plurality of agitating blades inside thereof, wherein said mounting frame has a bearing on a central part thereof in order to rotatably support a rotation shaft, said shaft being provided on the bottom portion of said drum in a protruding manner; and wherein said vibration device is fixed adjacent to said bearing.