Terminals and improved handle for circuit breakers

• US 3,248,511 A
• Filed: 10/21/1965
• Issued: 04/26/1966
• Est. Priority Date: 01/18/1963
• Status: Expired due to Term

• Current Assignee: Raymond B. Heilman
• Original Assignee: Raymond B. Heilman
• Inventors: Heilman, Raymond B.
• Application Number:
  US04/505,590
• Time in Patent Office: 187 Days
• US Class Current: 200/302.3
• CPC Class Codes: H01H 21/085 Casings hermetically closed by a diaphragm through which passes an actuating member vacuum switches H01H33/66
• CPC Class Codes: H01H 71/08 Terminals; Connections
• CPC Class Codes: H01H 9/446 using magnetisable elements associated with the contacts

Claims

5. A TERMINAL STRUCTURE FOR A CIRCUIT BREAKER HAVING AN OVERLOAD SENSING DEVICED AND A METAL CASE COMPRISING AN INSULATOR SECURED TO THE CASE OF THE CIRCUIT BREAKER, A CYLINDRICAL SHUNT CONDUCTOR SLEEVE SECURED TO AND EXTENDING THROUGH SAID INSULATOR, INTO SAID CASE AND BEING ELECTRICALLY CONNECTED INSIDE SAID CASE TO SAID OVERLOAD SENSING DEVICE AND A CYLINDRICAL STUD SECURED TO SAID CYLINDRICAL SHUNT CONDUCTOR SLEEVE, SAID CYLINDIRCAL STUD HAVING MEANS TO RECEIVE AND SECURELY HOLD AN EXTERNAL CONDUCTOR IN ELECTRICAL CONDUCTING RELATIONSHIP WITH SAID CYLINDRICAL SHUNT CONDUCTOR SLEEVE, SAID CYLINDRICAL SHUNT CONDUCTOR SLEEVE BEING FORMED FOM A MATERIAL OF HIGH ELECTRICAL CONDUCTIVITY RELATIVE TO SAID CYLINDRICAL STUD, SAID CYLINDRICAL STUD BEING FORMED FROM A MATERIAL OF HIGH MECHANICAL STRENGTH RELATIVE TO SAID CYLINDRICAL SHUNT CONDUCTOR SLEEVE, SAID CYLINDRICAL SHUNT CONDUCTOR SLEEVE HAVING AN END PORTION WITHIN SAID CASE AND AN OPPOSITE END PORTION OUTSIDE OF SAID CASE WITH WHICH SAID EXTERNAL CONDUCTOR IS CONNECTABLE IN ELECTRICAL CONDUCTING RELATIONSHIP, THE END PORTION OUTSIDE OF SAID CASE RECEIVING PART OF SAID CYLINDRICAL STUD, SAID CLYINDRICAL SHUNT CONDUCTOR SLEEVE BEING MECHANICALLY AND ELECTRICALLY SECURED TO SAID STUD.