Latch structure for insulator spacer
AssigneeElectric Power Research Institute, Inc.
InventorPhilip C. Netzel
Life of this patent
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Abstract
A support insulator disk for a flexible high voltage transmission line supports a flexible central conductor along the central axis of a conductive outer housing which is transversely corrugated for flexibility. A plurality of such axially spaced disks are provided along the axis of the transmission line. Each disk consists of identical halves which are snapped together over the central conductor by identical snap latch pairs on the opposite sides of the halves. Each latch pair consists of an extending flexible member centrally located on the outer rim of the disk, and which overlies the other half and snaps into a depression in the other half. A direct line-of-sight is prevented from the central conductor to the outer conductive enclosure at the joint between the two halves of the insulator.
Claims10
An insulator support disk for supporting the central conductor of a gas-insulated transmission line within an outer grounded housing which is coextensive with said central conductor;
- said insulator support disk consisting of at least first and second identical segments which fit over the central conductor of a transmission line and define a continuous disk therearound;
- each of said segments having a central axially extending rim for gripping a central conductor and an axially extending outer rim for gripping the interior of an outer housing;
- each of said segments having a central web extending between said outer rim and said central rim;
- and means for securing said segments to one another to define a continuous support disk;
- said means for securing comprising an integral projecting latch member extending from one end of said outer rim and having spring-type characteristics;
- and a latch-receiving depression in the outer surface of said outer rim at the end of said outer rim opposite from said one end;
- said projecting latch member of each of said segments engaging and latching into said latch-receiving depression of the segment adjacent thereto;
- said projecting latch member of each of said segments and said latch-receiving depressions being centered over the width of said outer rim;
- said projecting latch members extending across the junction between adjacent segments to block a line-of-sight through said insulator support disk from a central conductor receiving said segments to an outer conductive housing surrounding said central conductor.
Dependencies are inferred from the claim text.