Electricity: measuring and testing – Magnetic – Magnetic test structure elements
Patent
1991-04-29
1993-06-29
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Magnetic test structure elements
324226, 324233, 324238, 324261, 73660, G01N 2790, G01M 1304, F16H 1556
Patent
active
052237931
ABSTRACT:
An apparatus for rotating a spherical object, which includes suspension means for supporting a spherical object in a fixed position relative to its center. The suspension means holds the sphere by simultaneously contacting its surface with contacting elements at at least four points spatially independent of each other on the surface. Each of the contact elements is of regular shapes, such as, spheres, cylinders, cones or other shapes having symmetry about an axis of rotation. At least one of the contact elements is rotationally driven by a rotating drive means. The rotating drive means is rotated at a fixed or time-varying speed to impart controlled movement to the sphere about an axis through its center. The speeds or time-varying functions thereof cause the resultant controlled rotational motion of the sphere by manipulating an axis of rotation through its center.
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Caldwell Donald M.
Oehler Gordon C.
Ricci Roy J.
Edmonds Warren S.
Intex Inc.
Strecker Gerard R.
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