Patent ID: 8499901

Claim:
A fluid cylinder linkage assembly for a rig brake system, comprising: a) a rod end adaptor having a first end and a second end; b) a fluid cylinder comprising a head having a first vent, a tube having a first end and a second end, the first end of the tube attached to the head, a cap having a second vent, the second end of the tube attached to the cap, a piston disposed within said tube, and a rod having a first end and a second end, the first end of the rod connected to the piston, and the second end of the rod connected to the rod end adaptor, wherein at least a portion of the first end of the rod is disposed within the tube; c) a cap end adaptor having a first end and a second end, the first end of the cap end adaptor connected to the cap of the fluid cylinder; and d) a fluid control valve connected to the cap or the head of the fluid cylinder.