Patent ID: 9201346
Filing Date: 2015-12-01
Classification: G03G

Abstract:
1. A powder transport device comprising: a transport path that has a supply port, powder supplied through the supply port together with old powder already contained in the transport path being transported through the transport path; and a transport member that comprises a rotational shaft and a spiral blade, the spiral blade being disposed on the rotational shaft, the transport member being rotatably disposed in the transport path, the transport member being rotated so as to transport the powder supplied through the supply port and the old powder toward a downstream side in a powder transporting direction while mixing the powder supplied through the supply port with the old powder, the transport path comprising a regulating portion that regulates transportation of powder that is a mixture of the powder supplied through the supply port and the old powder toward the downstream side, the regulating portion regulating the powder from a surface of the powder, and the transport member comprising an accumulation portion that causes the powder to accumulate; and a sensor disposed on the downstream side of the supply port in the powder transporting direction, the sensor detecting a density of the powder, the regulating portion opposing the accumulation portion, and the regulating portion being formed between the supply port and the sensor.