Self-sharpening scraping tool

Details Self-sharpening scraping tool Self-sharpening scraping tool

1993-10-13

1995-11-21

Spisich, Mark

Brushing, scrubbing, and general cleaning

Implements

Scrapers

7105, 30138, 30169, 30172, 451558, 1523601, A47L 1308

Patent

active

054674980

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.

REFERENCES:
patent: 822928 (1906-06-01), Delano
patent: 1163950 (1915-12-01), Patterson
patent: 1854286 (1932-04-01), Abrahamsen
patent: 2764854 (1956-10-01), Menken
patent: 3250000 (1966-05-01), Schumann
patent: 4501068 (1985-02-01), Palson
patent: 4984324 (1991-01-01), Farris

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