Friction charging unit and frictional power generating device and dust collection device equipped with the same

摘要

Problem to be solved: to provide a friction charging unit capable of compatibility of the frictional charging and durability.A friction charging unit having a positive charging member and a negative charging member arranged to be in contact with the positive charging member, and can be charged by friction between the positive and negative charging members, and the above described problem is solved by a frictional charging unit which is a vinyl chloride resin .Diagram