Angle guide apparatus

Geometrical instruments – Straightedge type – Plural straightedges – relatively moveable

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Details

33451, 33471, B43L 706

Patent

active

049226215

ABSTRACT:
An improved guide apparatus for replicating angles of the type having a main member with a straight edge, a bubble-level device on the main member, and an angle arm pivotably attached to the main member. A slot in an end of the main member receives the angle arm, and a bolt which extends through the main member and the angle arm to form a pivot point has a hand-tightening nut or the like on it for quick angle replication in direct and reverse angle situations without additional tools. In some preferred embodiments the slot extends through the entire main member and/or the opposite surfaces thereof are tapered at the pivot connection to facilitate tightening even though the main member is of substantially rigid construction.

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