Patent · US Expired

Cylindrical member and engagement member assembly

US5991571A · kind A · utility

106Cited by
9References
63Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1997
Grant dateNov 23, 1999
Priority date
Expiry dateSep 30, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49556
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrophotographic image forming apparatus includes a cylindrical member having a thin portion at a longitudinal end thereof and an engaging member being mounted as fitted to an internal surface of the longitudinal end of the cylinder and having a depressed portion corresponding to the thin portion of the cylinder. The engaging member is attached to the cylinder by bending the thin portion of the cylinder toward the depressed portion.

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