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US 2015/0083017 A1Published application
Ratcheting railcar indexer
AssigneeCalbrandt, Inc.
InventorCalvin J. Brandt
Life of this patent
Estimating the term…
Abstract
A railcar handling system is disclosed that includes an indexing unit having a plurality of dog carriages, serially aligned in fixed spaced relation, each carriage carrying a railcar axle-engaging dog and a railcar wheel sensor and a hydraulic operating system including a hydraulic cylinder for moving the plurality of dog carriages in unison in a reciprocating ratcheting manner and operating said axle-engaging dogs. A control system is provided to coordinate the operation of the railcar handling system.
Claims7
A railcar handling system comprising:
- (a) an indexing unit including a plurality of aligned, sequentially positioned, spaced dog carriages, each carriage carrying a railcar axle-engaging dog and a railcar wheel sensor;
- (b) a hydraulic operating system including a hydraulic cylinder for moving said plurality of aligned sequentially positioned, spaced dog carriages in unison in a reciprocating manner and operating said axle-engaging dogs;
- and
- (c) a sequencing control system for coordinating said wheel sensors, dog raising and downing, and cylinder operation.
1 more element
Dependencies are inferred from the claim text.