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US 11,027,755 B2Granted
Railroad car truck with warp restraints
AssigneeStandard Car Truck Company
InventorsRonald D. Golembiewski, Andrew J. Morin
Life of this patent
Estimating the term…
Abstract
A railroad car truck including a first side frame, a second side frame, a bolster, and a first plurality of warp restraints, each first warp restraint configured to prevent warping of the bolster relative to the side frames. Various embodiments include opposing bearings of each warp restraint that engage each other.
Claims15
A railroad car truck comprising:
- a first side frame;
- a second side frame;
- a bolster;
- a first plurality of warp restraints positioned at first inner portions of the bolster and the first side frame, each of the plurality of first warp restraints including:
- (a) a first bearing connected to the bolster and including a movable engagement pad with a removable wear member, and
- (b) a second bearing connected to the first side frame, the second bearing including an engagement pad configured to be directly engaged by the removable wear member of the first bearing;
- and
- a second plurality of warp restraints positioned at second inner portions of the bolster and the second side frame, each of the plurality of second warp restraints including:
- (a) a first bearing connected to the bolster and including a removable wear member, and
- (b) a second bearing connected to the second side frame, the second bearing including an engagement pad configured to be directly engaged by the removable wear member of the first bearing.
7 more elements
A railroad car truck comprising:
- a first side frame;
- a second side frame;
- a bolster;
- a first plurality of warp restraints positioned at a first inner portion of the bolster and the first side frame, each of the plurality of first warp restraints including:
- (a) a first bearing connected to the bolster and including a rotatable engagement roller, and
- (b) a second bearing connected to the first side frame, the second bearing including a removable engagement pad configured to be directly engaged by the engagement roller of the first bearing;
- and
- a second plurality of warp restraints positioned at a second inner portion of the bolster and the second side frame, each of the plurality of second warp restraints including:
- (a) a first bearing connected to the bolster and including a rotatable engagement roller, and
- (b) a second bearing connected to the second side frame, the second bearing including a removable engagement pad configured to be directly engaged by the engagement roller of the first bearing.
7 more elements
Dependencies are inferred from the claim text.