Patent · US Expired

Drive power transmission device, image forming apparatus and process cartridge

US6671475B2 · kind B2 · utility

26Cited by
15References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 12, 2001
Grant dateDec 30, 2003
Priority date
Expiry dateJan 12, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2221/183
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A transmission mechanism for transmitting rotation of a driving source in a main body to an object mounted on the main body for receiving the rotation, the transmission mechanism comprising a plurality of couplings provided at different positions along an axial direction of a rotating axis; wherein each of the couplings comprises, a male coupling member having a plurality of protrusions provided at an identical internal on an outer circumferential surface of the rotating axis; and a female coupling member having a plurality of protrusions for engaging with the male coupling's protrusions.

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