Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Eccentrically pivoted coil
Patent
1976-02-10
1978-01-24
Strecker, Gerard R.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Eccentrically pivoted coil
308238, 324155, G01R 502, G01R 110
Patent
active
040706230
ABSTRACT:
In a moving-coil electrical instrument the electric coil is rotatably mounted on a spindle for angular displacement about the axis of the spindle. The ends of the spindle are located in respective bearings disposed in apertures of a frame and each bearing has a part that is angularly displaceable about the axis of the spindle between a first angular position in which the part supports the spindle and a second angular position in which that part is removable from the respective aperture. The coil is mounted on a support through which the spindle extends and carries a body to counter-balance the coil. The center of mass of this body is spaced from the plane which includes both the center of mass of the coil and the spindle axis. The support also carries a counterpoise body that is spaced from the counter-balance body about the spindle axis.
REFERENCES:
patent: 1501698 (1924-07-01), Beckert
patent: 1826409 (1931-10-01), Zubaty
patent: 2654070 (1953-09-01), Lamb
patent: 2887657 (1959-05-01), Lamb et al.
patent: 3141132 (1964-07-01), Stewart
patent: 3874752 (1975-04-01), Imazaike
Smiths Industries Limited
Strecker Gerard R.
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