Rocker panel brush mechanism

In a brush mechanism,

• an arm,
• means mounting the arm pivotally on a vertical axis,
• spring means biasing the arm toward a nominal position,
• a ball mounted on the arm,
• a socket mounted on and receiving the ball,
• a clamping plate secured to the socket and pressing the ball into the socket,
• bearing means carried by the socket,
• a brush shaft journaled in the bearing means,
• a motor mounted on the socket, and driving the shaft, and a brush carried by the shaft.

In a brush mechanism,

• a brush assembly including a rotary brush rotatable on a predetermined axis,
• movable arm means,
• an overhead post extending downwardly,
• means mounting the arm means rotatably on the lower end of the post and adjacent a predetermined path of a car,
• rigid adjustable joint means mounting the brush means on the arm means,
• the mounting means including thrust bearing means mounted on the post,
• the arm means including a sleeve portion enclosing and mounted on the thrust bearing means,
• the post means including a flange,
• torsion spring means mounted on the post means and connected to the arm means and the flange and biasing the arm means in a predetermined direction,
• and stop means on the flange and the arm means for limiting movement of the arm means in said direction.