Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
railway coupler
|
| gptkbp:alsoKnownAs |
Tightlock coupler
|
| gptkbp:compatibleWith |
AAR Type E coupler (in emergency situations)
|
| gptkbp:designedFor |
passenger cars
|
| gptkbp:feature |
prevents accidental uncoupling
tightlock mechanism vertical interlocking knuckles |
| https://www.w3.org/2000/01/rdf-schema#label |
AAR Type H coupler
|
| gptkbp:introducedIn |
mid-20th century
|
| gptkbp:material |
cast steel
|
| gptkbp:provides |
improved anti-telescoping protection
|
| gptkbp:replacedBy |
older Janney coupler designs
|
| gptkbp:standardizedBy |
gptkb:Association_of_American_Railroads
AAR S-119 |
| gptkbp:usedBy |
gptkb:Amtrak
commuter railroads in the United States |
| gptkbp:usedFor |
improved safety in passenger service
|
| gptkbp:usedIn |
gptkb:North_American_railroads
|
| gptkbp:weight |
approximately 78 pounds
|
| gptkbp:bfsParent |
gptkb:Janney_coupler
|
| gptkbp:bfsLayer |
7
|