Adjustable square and scoring tool

Details Adjustable square and scoring tool Adjustable square and scoring tool

1994-05-02

1995-06-06

Wirthlin, Alvin

Geometrical instruments

Scriber

Parallel line

33464, B43L 1302

Patent

active

054210933

ABSTRACT:
An adjustable square and scoring tool for measuring and scoring a sheet of material comprising an alignment block; a rail slidably extended through the alignment block; a knife blade holding mechanism disposed on the rail and adapted for holding a knife blade; and a securement mechanism for securing the rail at a fixed position relative to the alignment block; whereby when a knife blade is coupled to the knife blade holding mechanism and the alignment block is held against an edge of material with the rail at a fixed position, movement of the alignment block along the edge allows the knife blade to score the material.

REFERENCES:
patent: 990502 (1911-04-01), Richardson
patent: 1298866 (1919-04-01), Beach
patent: 1877185 (1932-09-01), Lowe
patent: 2344724 (1944-03-01), Phillips
patent: 2436686 (1948-02-01), Coffey
patent: 2489830 (1949-11-01), Stone
patent: 4809439 (1989-03-01), Burns

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