Metal working – Method of mechanical manufacture – Obtaining plural product pieces from unitary workpiece
Patent
1979-01-04
1981-01-27
Larson, Lowell A.
Metal working
Method of mechanical manufacture
Obtaining plural product pieces from unitary workpiece
29557, B23P 1700, B23P 1304
Patent
active
042466865
ABSTRACT:
A method is disclosed for forming an apparatus, where the apparatus is arranged for rotation about a vertical axis, for attaching accessories to a support surface of a repairing and straightening apparatus, for allowing rotational self-alignment of the accessories about the vertical axis, and for allowing the accessories to be substantially in line with the counterforce. The method, in its preferred form, is accomplished by cutting and attaching a thick wall tubing. The thick wall tubing has a diameter substantially equal to but slightly less than the diameter of apertures formed in the support surface and has a height greater than the thickness of the support surface. A first saw cut is made at a depth substantially equal to but slightly greater than the thickness of the support surface and along a chord of the circular cross section of the thick wall tubing. A second saw cut is made, spaced and parallel to the first saw cut and at a depth equal to the depth of the first saw cut. A third saw cut is made intersecting with the first and second saw cuts at a depth substantially equal to but slightly greater than the thickness of the support surface. After removing the material located between the first and second saw cuts, the remaining portions of the thick wall tubing are attached together and the thick wall tubing is attached to the bottom surface of the accessory.
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patent: 3949458 (1976-04-01), Saidel
patent: 3952396 (1976-04-01), Werner
patent: 3979809 (1976-09-01), Schneider
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