Patent ID: 7756450
Filing Date: 2010-07-13
Classification: G03G

Abstract:
1. A toner transport device, transporting toner supplied from a toner replenishing device provided above the toner transport device to a developing device provided below the transport device, said toner transport device comprising: a toner transport member, internally having a toner transport path, which is disposed so that the toner transport path extends in an up-and-down direction and which vibrates in upward and downward directions; and an elastic member, made of a deformable foamed material, which is disposed on at least either an upper joint section or a lower joint section of the toner transport member and which internally has a toner passage for allowing the toner transported to/from the toner transport path to pass therethrough, wherein a wall surface of the toner passage in the elastic member is coated with a resin layer which does not allow the toner to pass therethrough, and wherein the elastic member is made of a foamed polyurethane resin and a density of the polyurethane resin is 50 kg/m