1182 THE BELL SYSTEM TECHNICAL JOURNAL, SEPTEMBER 1956 



1. HANDWHEEL FOR POSITIONING TEST FIXTURES. 



2. ROTARY FEED MECHANISM. 



3. PRODUCT PASSING ALL TESTS EJECTED FROM FIXTURE. 



4. INSULATION RESISTANCE TEST PANEL AND TERMINAL 

 COMBINATION "setup" SWITCHES. 



5. CABINET HOUSING TEST CIRCUITS. 



6. CONTAINERS FOR REJECTED PRODUCT. 



Fig. 2 — Testing machine in operation. 



mechanical means. A turret type construction is used to permit one 

 operator to perform both the loading and unloading operations. 



Fig. 2 shows this machine in operation. The networks or capacitors 

 are fed into the fixtures by an operator and as the turret carries the fix- 

 tures past the feed mechanism, rollers on the feed mechanism are syn- 

 chronized with the fixtures and the roller forces the unit under test into 

 the contact fixture against a spring loaded plunger to make contact with 

 the fixture contact springs. Also, synchronized wdth the feed mechanism 

 is the closing of the gripper hook on the bottom end of the can contain- 

 ing the unit under test. 



