Geometrical instruments – Gauge – Pipe layout or fitting
Patent
1996-06-10
1998-07-07
Will, Thomas B.
Geometrical instruments
Gauge
Pipe layout or fitting
33640, 834683, 834687, B26D 701
Patent
active
057749981
ABSTRACT:
A pipe saddle gauge is disclosed. The pipe saddle gauge provides a frame which adjusts in a telescoping manner to frictionally engage the base of a table type circular saw. The frame provides two pieces of square tubing, an inside tube telescopically carried within an outside tube. Each tube carries a bracket which engages the side of the table saw. An all thread rod carried within both tubes carries washers and threaded nuts at each end, thereby biasing the tubes together, causing the brackets to grip the sides of the table saw. A pivot post is supported by the frame in a vertical orientation. The pivot post provides a support tube, fixed to the frame, and a pivot tube carried within the support tube to rotate about an axis perpendicular to the horizontal. The support tube carries a gauge arm, which moves through a horizontal plane when the pivot tube pivots. The gauge arm carries an annular plate in an off-center manner. After a first cut is made, the pipe is rotated approximately 180 degrees before making the second cut. The gauge arm is then pivoted to a position next to the pipe. The annular plate is then rotated about the gauge arm, coming into contact with the first cut. This rotates the pipe exactly 180 degrees. The gauge is then moved and the second cut made, finishing the saddle cut.
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Science & Mechanics Jun. 1945.
Advertisement AA Gage Company No Date.
Thompson David S.
Will Thomas B.
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