Squaring tool

Details Squaring tool Squaring tool

1989-01-26

1990-04-10

Yasich, Daniel M.

Geometrical instruments

Straightedge type

Plural straightedges, relatively moveable

33427, 33451, 33529, B43L 1300, G01B 524

Patent

active

049148257

ABSTRACT:
A squaring tool comprising a pair of squaring members with two blades, each of the two blades integrally joined together oriented at 45.degree. with respect to each other; a frame assembly defining a passage therethrough having a cross-sectional shape and size such that one of the blades of both of the squaring members are slidably receivable through the passage; and a locking and alignment mechanism for locking the squaring members in the frame assembly.

REFERENCES:
patent: 579952 (1897-04-01), Campbell
patent: 896847 (1908-08-01), Messner
patent: 1244570 (1971-10-01), Woods
patent: 1892032 (1932-12-01), Arnold
patent: 3670418 (1972-06-01), Hamilton, Jr.
patent: 4380872 (1983-04-01), Moran

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