Patent · US Expired

Developer cylinder and drive gear arrangement

US6173146A · kind A · utility

40Cited by

9References

1Claims

0Family size

Inventors

Jui-Chi Wang · Taichung, TW
Robin Hsu · Zhuolan Township, TW
Ya-Li Huang · Zhuolan Township, TW
Kuan-Tung Li · Zhuolan Township, TW

Key dates

Filing date	Jan 21, 2000
Grant date	Jan 9, 2001
Priority date	—
Expiry date	Jan 21, 2020

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16D1/112
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A developer cylinder and drive gear arrangement includes a drive gear having a coupling hole at one end of its gear shaft, and a developer cylinder having a coupling block at its one end coupled to the coupling hole at the gear shaft of the drive gear, wherein the coupling block of the developer cylinder has a plurality of teeth spirally disposed around the periphery thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.