Patent ID: 6603933
Filing Date: 2003-08-05
Classification: G03G

Abstract:
A high yield laser printer toner cartridge of the type including a hopper with a shaft having a first end and a second end extending through the hopper, such that a paddle disposed in the hopper rotates about the shaft, an encoder wheel secured to the first end of the shaft extending from the hopper and a drive gear having a face and a limit positioned on the face secured to the second end of the shaft, an arbor including a gap on its outer circumference bounded on one end by a shoulder secured to the second end of the shaft such that the limit is positioned in the gap of the arbor, a torsion spring having a first segment and a second segment where the first segment is mounted onto the drive gear and the second segment is mounted onto the arbor, the improvement comprising:a stop secured on the face of the drive gear between the limit and the shoulder to engage said shoulder thereby limiting rotation of said arbor.