Rail plate inserter
US8171855B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2009 |
| Grant date | May 8, 2012 |
| Priority date | — |
| Expiry date | Feb 25, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01B29/32
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A workhead assembly for use with a rail maintenance machine having a workhead assembly for use with a rail maintenance machine having a rail lifter and configured for movement relative to a railroad track having a pair of rails, the workhead assembly constructed and arranged for positioning a tie plate predisposed on a rail tie, including a workhead body connected to the machine; a centering apparatus on the body constructed and arranged for centering the workhead over the rail tie; a squaring apparatus on the body constructed and arranged for squaring the tie plate on the rail tie; and a pusher assembly on the body for positioning the tie plate under a selected one of the rails being lifted by the rail lifter, and including at least one plate engaging finger constructed and arranged for engaging the tie plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.