Patents Represented by Law Firm Silverma, Cass & Singer, Ltd.
  • Pneumatic actuator
    Patent number: 4221158
    Abstract: 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.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: September 9, 1980
    Assignee: Coulter Electronics, Inc.
    Inventors: Boleslaw M. Klimek, Sergio Campanini