Self-sharpening scraping tool
US5467498A · kind A · utility
Inventors
Key dates
| Filing date | Oct 13, 1993 |
| Grant date | Nov 21, 1995 |
| Priority date | — |
| Expiry date | Oct 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.