MOVING MAGNET TYPE METER

MOVING MAGNET TYPE METER

In the moving magnet type meter of the present invention, the coil mounting portions of a bobbin body are projected outwards in a generally arched shape on the central side to form circular arc-like or inclined surfaces, whereby the bobbin body can be made strong against the external pressure induce...

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Hauptverfasser: TOGAWA, TETSURO NIPPON SEIKI CO.LTD, OUTAKE, TOSHIYUKI NIPPON SEIKI CO.LTD, SATO, KOICHI NIPPON SEIKI CO.LTD
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator TOGAWA, TETSURO NIPPON SEIKI CO.LTD
OUTAKE, TOSHIYUKI NIPPON SEIKI CO.LTD
SATO, KOICHI NIPPON SEIKI CO.LTD
description In the moving magnet type meter of the present invention, the coil mounting portions of a bobbin body are projected outwards in a generally arched shape on the central side to form circular arc-like or inclined surfaces, whereby the bobbin body can be made strong against the external pressure induced by the mounting of coils thereon and can be prevented from being deformed. Further, the upper portion of a movable magnet is centrally formed with an upwardly projecting shaft support portion for supporting a pointer shaft, and a thrust bearing portion is formed in the lower surface of an upper bobbin body portion in an opposed relation to the upper end face of the said shaft support portion through a predetermined slight gap, whereby the pointer shaft can be formed in the shape of a straight rod without forming a reduced-diameter portion serving as a thrust bearing, so the fabrication of the pointer shaft is easy and it is possible to maintain the strength of the pointer shaft itself.
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title MOVING MAGNET TYPE METER
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