Abstract: A truck mounted air cylinder and slack adjuster incorporates an elongated brake operating member adapted to apply a brake applying thrust to the brake beams. An air cylinder is mounted to the truck and a threaded rod is attached to the brake operating member and extends into the air cylinder. A drive member is positioned within the air cylinder and is in sealing relationship with the cylinder walls. The drive member is movable within the cylinder in response to a brake application air pressure applied thereto. A clutch connecting the threaded rod to the drive member for concurrent axial movement with the clutch provides for rotation of the rod relative to the drive member. A slack adjuster is associated with the cylinder and the rod. The slack adjuster cooperates with the clutch to extend the rod relative to the elongated brake operating member in response to a slack condition sensed by the slack adjuster during a brake application.

Abstract: A combined reservoir tank and pipe bracket for use in a railroad car air brake system includes a tank having a partition therein which divides the tank into emergency and service portions. An emergency valve mounting saddle and emergency valve are attached to the exterior of the tank and connected to the emergency portion of the reservoir. A service valve mounting saddle and service valve are attached to the exterior of the tank and there is a connection therefrom with the service portion of the tank. The mounting saddles are spaced on opposite sides of the tank and there is a tube extending within the tank and connecting the saddles which functions as a pipe bracket quick action chamber. There are conduits connecting the saddles in parallel arrangement with the quick action chamber tube for brake cylinder air, brake pipe air and the emergency reservoir.