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FIELD: electrical engineering. SUBSTANCE: fastening arrangements for attaching metal end plates 4 and 7 to body 1 are made in the form of annular inner grooves 10 located at certain distance ½a from end of body 1 and provided with longitudinal exits 11 to its end surfaces 12. Corners 13 of inner end...

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Bibliographic Details
Main Authors VOLOKHOV A.E, GALEEV R.G
Format Patent
LanguageEnglish
Published 20.09.1999
Edition6
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:FIELD: electrical engineering. SUBSTANCE: fastening arrangements for attaching metal end plates 4 and 7 to body 1 are made in the form of annular inner grooves 10 located at certain distance ½a from end of body 1 and provided with longitudinal exits 11 to its end surfaces 12. Corners 13 of inner end plates 4 are brought into annular grooves 10 through longitudinal grooves (exits 11) and inserted into space 3 of body 1; in annular grooves 10 they are turned about their axes in one direction simultaneously on both ends. To this end, diameters at corners of inner end plate 4 should correspond to distance measured in diametrical plane between bottom of annular groove 10 on one side and that on other side. Plates 4 are brought in annular grooves 10 with their blunted corners 13 and locked in position against axial displacement. Outer end plates 7 are fitted onto terminal leads 5 of inner end plates 4 and secured to the latter with screws 14. EFFECT: facilitated manufacture due to new method of fixing metal plates to porcelain body; improved yield of porcelain bodies. 2 dwg
Bibliography:Application Number: RU19980110471