Patent · US Expired

Self-sharpening scraping tool

US5467498A · kind A · utility

8Cited by
7References
5Claims
0Family size

Inventors

Key dates

Filing dateOct 13, 1993
Grant dateNov 21, 1995
Priority date
Expiry dateOct 13, 2013

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA47L13/08
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A self-sharpening type scraping tool having particular utility for scraping surfaces such as to remove paint from walls of a structure, in which the manual actuation of the tool simultaneously effects sharpening of one or more blade edges. A rectangular/square shaped plate is pivotally mounted to a base member and contains a projecting blade on each side of the plate member. Sharpening member is provided for sharpening one or more the blades performed by the tool operator.

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