Insulation testing apparatus

Claim 1

IN AN APPARATUS FOR TESTING THE INSULATING PROPERTY OF DEFORMABLE APPAREL USED IN THE PROTECTION OF PERSONS AGAINST CONTACT WITH HIGH VOLTAGE CONDUCTORS, A SOLID CONDUCTING SHELL HAVING THE GENERAL CONFIGURATION OF SAID APPAREL AND ADAPTED TO HOLD SAID APPAREL THEREWITH, A FLEXIBLE, EXPANDABLE CONDUCTING LINING ADAPTED TO BE INSERTED IN SAID APPAREL AND HAVING THE VOLUMETRIC CONFIGURATION THEREOF WHEN EXPANDED, A FRAME, MEANS FOR REMOVABLY SUPPORTING SAID APPAREL WITHIN SAID FRAME, AN FOR FIXABLY SUPPORTING SAID LINING WITHIN SAID FRAME, AN INFLATABLE MEMBER WITHIN SAID LINING AND MEANS FOR INFLATING SAID MEMBER WHEREBY UPON INFLATION THEREOF SAID LINING IS EXPANDED WITHIN SAID APPAREL AND CONSTRAINING SAID APPAREL TO EXPAND AGAINST THE INNER WALLS OF SAID SHELL AND INTO FIRM ELECTRICAL CONTACT THEREWITH, A HIGH VOLTAGE POWER SUPPLY, A CIRCUIT INTERCONNECTING ONE TERMINAL OF SAID SUPPLY WITH SAID SHELL AND THE OTHER TERMINAL WITH SAID LINING AND MEANS FOR INDICATING THE LEAKAGE CURRENT IN SAID CIRCUIT.