Silverma, Cass & Singer, Ltd.
Pneumatic actuator
 A spring brake actuator including an advantgeously formed housing having a longitudinally extending cavity therein for retaining a bolt useful in releasing spring induced brake application, and apparaus for selectively communicating fluid from one side of a spring piston of the actuator to the other side of that piston through the cavity. 
Coulter Electronics, Inc.
B B
B60T B60T
inventional inventional
Boleslaw M. Sergio
Klimek Campanini