PINGER 



RETAINER 

 CLAMP 



PRESSURE 



ACTUATED 



BELLOWS 



BALL 



CAGE 



ASSEMBLY 



ANCHOR 

 LINE 



ANCHOR 



FLOAT 



STABILIZING 

 FIN 



DETENT PLUNGER 



RETAINER 

 BALLS 



PLUNGER 

 PIN 



Fig. 10.32 Cross section free-fall bottom marker. [From Ref. (30)] 



517 



