Dry type developing device for a copying apparatus or like apparatus

A dry type developing apparatus or like apparatus wherein an electrostatic latent image formed on a copy sheet is developed into a visible image by means of a magnetic brush technique, comprising in combination:

• a toner supply member;
• means for magnetically forming on the surface of said supply member a toner layer functioning as a magnetic brush;
• means for maintaining said toner layer at a predetermined height;
• means for continuously moving said magnetic brush through a developing station;
• receiver means of a non-magnetic material disposed in spaced juxtaposed relation to said toner supply member and having a surface for receiving a copy sheet moving into the developing station and spaced apart from said surface of said toner supply member a predetermined distance greater than said predetermined height for bringing the electrostatic latent image on the copy sheet into contact with the surface of the toner layer in such a manner as to prevent the copy sheet from invading the toner layer or portions thereof from being kept out of contact with the toner layer;
• and
• guide means disposed on the upstream side of said receiver means for guiding the copy sheet onto said surface of said receiver means in a manner such that the copy sheet forms an acute angle with said receiver means.