Geometrical instruments – Straightedge type – Plural straightedges – relatively moveable
Patent
1985-12-16
1986-09-02
Stearns, Richard R.
Geometrical instruments
Straightedge type
Plural straightedges, relatively moveable
30376, 83522, 83745, B27B 904
Patent
active
046087613
ABSTRACT:
A portable precision guide for powered hand tools is formed having a base plate with a protractor portion and a table portion, a guide bar on one surface of the base plate guides a powered hand tool on the table portion and an angle arm pivotally mounted on the other surface of the base plate can be positioned by said protractor at a desired angle with said guide bar to position a workpiece for cutting. Said base plate has openings for holding said workpiece therethrough against the angle arm; the workpiece can also be marked where desired through said openings.
REFERENCES:
patent: 2719548 (1955-10-01), Mitchell
patent: 2735455 (1956-02-01), Forsberg
patent: 2823709 (1958-02-01), Konieczka
patent: 3731572 (1973-05-01), Crooks
patent: 3742803 (1973-07-01), Allaire
patent: 4056028 (1977-11-01), Patterson
patent: 4062390 (1977-12-01), Beekenkamp
patent: 4335512 (1982-06-01), Sheps et al.
patent: 4350066 (1982-09-01), Volk
patent: 4453438 (1984-06-01), Zelli
McCarthy Jack N.
Stearns Richard R.
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