Combination tool assembly for graphic art

Details Combination tool assembly for graphic art Combination tool assembly for graphic art

1992-11-24

1993-08-10

Parker, Roscoe V.

Compound tools

With gauge or other measuring means, e.g., ruler, level, etc.

7163, 7160, 7168, 7170, 33485, B25F 104

Patent

active

052337154

ABSTRACT:
A combination tool assembly is disclosed having a pentagonal top block detachably fastened to an elongated, pentagonal base through doweled joints, a folding rule pivoted to the top block and received in a side chamber on the base, a cutter and ballpoint pens controlled by slides to move in and out of respective holes on the base, a triangular scale detachably side matched to the top block and the base. The folding rule may be separately used for measuring and arranged with the base into an instrument for drawing circles.

REFERENCES:
patent: 14306 (1856-02-01), Cross
patent: 95964 (1869-10-01), Zerbe
patent: 105210 (1870-07-01), Horton
patent: 469593 (1892-02-01), Patterson
patent: 642498 (1900-01-01), Smith
patent: 1275364 (1918-08-01), Bassisty
patent: 1488875 (1924-04-01), Franklin et al.
patent: 1571115 (1926-01-01), Gootherts

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