Patent · US Expired

Multi-purpose grinder

US5090159A · kind A · utility

4Cited by
7References
7Claims
0Family size

Inventor

Key dates

Filing dateMar 20, 1990
Grant dateFeb 25, 1992
Priority date
Expiry dateMar 20, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB24B3/00
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A multi-purpose grinding device for sharpening hardware ranging from scissors to saw blades. It comprises a powered grinding wheel which can be moved and oriented in a plurality of positions relative to the item to be sharpened which is held in a fixed location on a jig. The grinding wheel has lateral and vertical movement and can be tilted on its side.

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