Patent · US Expired

Sheet punching device and image forming apparatus having the same

US6381443B1 · kind B1 · utility

32Cited by
1References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 14, 2000
Grant dateApr 30, 2002
Priority date
Expiry dateJul 14, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/9423
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A sheet punching device includes a punch and a die which cut a hole in a sheet, a punch debris conveying device for conveying punch debris produced when the punch and the die cut a hole in the sheet, and a punch debris box for receiving the punch debris which has been conveyed by the punch debris conveying device.

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