Patent · US Expired

Paper shredder paper feeding system

US4821967A · kind A · utility

53Cited by
5References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 1, 1987
Grant dateApr 18, 1989
Priority date
Expiry dateOct 1, 2007

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB02C18/0007
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A paper feeding system of a paper shredder comprises a paper set block provided in the shredder main body; a paper feed opening formed at the end of the paper set block on the side of the shredding cutter; a paper transport device for sending papers automatically through the paper feed opening to the shredding cutter; an openable cover for shielding the paper set block and the paper feed opening; a locking device for locking the cover in the closed position; and a paper insertion opening allowing papers to be input into the paper set block without opening the cover.

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