Slack Adjuster Environmental Improvements

摘要

A slack adjuster that is protected against environmental contaminants via a series of holes positioned circumferentially around each end and covered by a sleeve having a slot is aligned with one of the series of holes while covering the remaining holes. The sleeve protects against infiltration of contaminants at the ends of the slack adjuster and allows any contaminants that do infiltrate the slack adjuster to be expelled through the aligned hole and slot. The central portion of the slack adjuster may also be protected by including a series of circumferential holes that are selectively covered by a sleeve having a drain positioned to align with the lowest holes while covering the remaining holes.

主权项

1. A slack adjuster, comprising:
a spring housing having a first end, a second end, and a series of holes are positioned circumferentially around the first end; a first rod positioned in the spring housing and extending from a first end of the spring housing; an overtravel housing having a first end coupled to the second end of the spring housing and a second end; a second rod positioned in the overtravel housing and extending from the second end of the overtravel housing; and a first sleeve having a slot and being positioned in covering relation to the first end of the spring housing so that the slot is aligned with one of the series of holes and the remaining holes are covered by the sleeve.