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Casing and insulator bushing assembly

  • US 3,214,511 A
  • Filed: 12/23/1963
  • Issued: 10/26/1965
  • Est. Priority Date: 12/23/1963
  • Status: Expired due to Term
First Claim
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1. IN COMBINATION, AN ENCLOSING METALLIC CASING FOR ELECTRICAL APPARATUS, SAID CASING HAVING AT LEAST ONE FLANGED PORTION EXTENDING THEREFROM DEFINING AN OPENING IN SAID CASING, A BUSHING MEMBER HAVING AT LEAST ONE LOCKING PORTION, SAID BUSHING MEMBER DISPOSED IN THE OPENING IN SAID CASING WITH THE LOCKING PORTION LOCATED A PREDETERMINED DISTANCE BEYOND THE EXTENDING END OF SAID FLANGED PORTION, A METALLIC SLEEVE MEMBER DISPOSED COAXIALLY OVER THE LOCKING PORTION OF SAID BUSHING MEMBER AND AT LEAST A PORTION OF SAID FLANGED PORTION, SAID SLEEVE MEMBER SHAPED TO TIGHTLY CONTACT AND CLOSELY CONFORM TO THE COMPLETE CIRCUMFERENTIAL CONTOUR OF BOTH SAID FLANGED PORTION AND SAID BUSHING MEMBER AND PERMANENTLY ENGAGED THERETO, SAID SLEEVE MEMBER INDEPENDENTLY PROVIDING THE ENTIRE HOLDING MEANS FOR MAINTAINING SAID BUSHING MEMBER IN ASSEMBLED, SEALED RELATIONSHIP WITH SAID CASING.

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