710 



BELL SYSTEM TECHNICAL JOURNAL 



If either joint is defective, the weight and slide will not be supported 

 but will drop to the limit allowed by the cam at £i. This permits the 

 wedge-shaped piece Di, mounted on the slide A, to push the far side of 

 the lever F (pivoted to the base at G) to the right. The near side of F 



Fig. 2 



is pushed into the groove B, and when the turret turns the defective 

 piece is ejected. The lever F is reset by a cam after each operation. 

 If the soldering is good, the load is supported by the piece for a short 

 time while the roller D^ is passing across the depression Ei, after which 



