Slack adjuster contaminant mitigation device

摘要

A contaminant mitigation device for use with a slack adjuster for a railway brake rigging to protect the critical operating area of the slack adjuster. The critical operating area of a slack adjuster includes the components that are configured to operate together to adjust the brake rigging. The slack adjuster includes at least a main housing portion, a cone nut housing portion enclosing the critical operating area of the slack adjuster, and an overtravel housing portion. The contaminant mitigation device includes a sealing system configured for cooperating with at least one of the main housing portion, cone nut housing portion, and overtravel housing portion to seal the critical operating area against entrance of fluid and/or contaminants therein and/or to at least reduce the exposure of this area to fluid and/or contaminants. The contaminant mitigation device can also include a drainage system associated therewith.

主权项

1. A contaminant mitigation device for use with a slack adjuster for a railway brake rigging, said slack adjuster including a main housing portion, a cone nut housing portion enclosing a critical operating area of the slack adjuster, a rod guide associated with the cone nut housing portion, and an overtravel housing portion, said contaminant mitigation device comprising a sealing system for sealing the critical operating area against entrance of fluid and/or contaminants therein or to reduce exposure of the critical operating area to fluid and/or contaminants wherein the sealing system includes at least one of:
(a) a sealing member positioned between a threaded engagement between the rod guide and an end of the cone nut housing portion; (b) at least one sealing member associated with each of a trigger pin positioned within the rod guide; and (c) a sealing member associated with a conical spring or conical spring seat member located at an end of the cone nut housing portion.