Geometrical instruments – Straightedge type – Plural straightedges nonadjustably fixed at right angles
Patent
1998-05-11
2000-08-15
Fulton, Christopher W.
Geometrical instruments
Straightedge type
Plural straightedges nonadjustably fixed at right angles
33427, 33630, 33640, 83745, B43L 1300
Patent
active
061017299
ABSTRACT:
An apparatus and method of using a power saw guide for use with a power saw having a sole plate with a fence-following surface spaced a set distance from a sawing plane of the power saw. The power saw guide comprising a long leg and a short leg that are mutually orthogonal legs defining an "L" shape. A permanently attached fence is located along the outer edge of each leg defining a sole-sliding edge to guide the fence-following surface of the saw. Each fence is located on opposite surfaces of the guide Opposite the sole-sliding edge of the fence, is a plank-contact edge that makes contact with plank edge and ensures the cutting of the plank is done perpendicular to the length. An apron gusset extends beyond the intersection of the legs in both mutually orthogonal directions. The apron gusset is aligned with the plank-contact edges of the fences. Since the set distance for each power saw is different, the apron gusset initially has a length that exceeds the set distance. The power saw is used to cut the apron gusset to the set distance, whereby the cut edge of the apron gusset thereafter precisely locates the position of the sawing plane relative to the fence-following surface.
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