tightlocks

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A form of tightlock — A form of Janney coupler, typically used on North American mainline passenger rail cars, having mechanical features that reduce slack in normal operation and prevent telescoping in derailments, yet remain compatible with other Janney types.

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Meanings

noun
  1. pluralplural of tightlock
Cite this entry
APA

tightlocks. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/tightlocks

MLA

“tightlocks.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tightlocks. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “tightlocks,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/tightlocks.

Source: tightlocks on Wiktionary, CC BY-SA 4.0.