B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 17/22 (2006.01) F16D 66/02 (2006.01) F16D 66/00 (2006.01)
Patent
CA 2149963
A visual brake cylinder piston travel indicator for a railroad car having a brake cylinder device located remotely from a convenient viewing area. An indicator rod is suitably sized and configured to extend from the remote brake cylinder device to the viewing area where the brake cylinder piston travel may be determined by the relationship of the indicator rod end with respect to a reference point. At the brake cylinder device, the indicator rod is connected to the piston hollow rod by a bearing assembly that includes the hollow rod collar. The bearing assembly provides for relative rotation between the indicator rod and hollow rod, while concurrently transmitting axial movement of the piston to the indicator rod, such relative rotation being necessitated by the fact that the piston and hollow rod typically rotate during reciprocal movement between a brake application and brake release position, due to torsional forces imparted by the piston return spring.
Macrae & Co.
Westinghouse Air Brake Company
LandOfFree
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