Pipefitters square holder

Details Pipefitters square holder Pipefitters square holder

1981-10-21

1983-06-21

Stearns, Richard R.

Geometrical instruments

Straightedge type

Plural straightedges, relatively moveable

33174N, 33427, B43L 706

Patent

active

043887651

ABSTRACT:
A pipefitter's square holder comprises a body having adjacent its side edges a plurality of ledges each of which is capable of supporting one leg of a square. Inwardly of each side edge is an abutment. A pair of clamp members is mounted on the body for movements relative to the latter and to one another between positions adjacent selected ones of the ledges, such clamp members being capable of removably clamping a square against the abutment associated with each of such ledges.

REFERENCES:
patent: 579952 (1897-04-01), Campbell
patent: 1509703 (1924-09-01), Bourgeois
patent: 2194085 (1940-03-01), Hastings
patent: 2370741 (1945-03-01), McDonnell
patent: 3670418 (1972-06-01), Hamilton, Jr.

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