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Patent Searching and Data


Title:
KEYWAY TIE
Document Type and Number:
WIPO Patent Application WO/2019/139765
Kind Code:
A1
Abstract:
A tie having a non-linear keyway under the overlying rail to provide support to restrain lateral and longitudinal movement of the rail. A fastening system to hold rails down on a tie comprises a rail plate that may be fastened to the tie within the keyway. The fasteners are protected to avoid damage in case of a derailment or other adverse conditions. Also disclosed are visual inspection mechanisms to assist with determining whether a fastening system is securely attached to the tie.

Inventors:
MATTSON, Steven, R. (1740 Pacific Avenue, Cheyenne, WY, 82007, US)
LESHER, Scott, D. (1740 Pacific Avenue, Cheyenne, WY, 82007, US)
Application Number:
US2018/066827
Publication Date:
July 18, 2019
Filing Date:
December 20, 2018
Export Citation:
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Assignee:
VOESTALPINE NORTRAK INC. (1740 Pacific Avenue, Cheyenne, WY, 82007, US)
VEAE GMBH, Voestalpine (Rotenturmstrasse 5-9, Wien, A-1010, AU)
International Classes:
E01B3/28; E01B9/02; E01B9/38; E01B9/40
Foreign References:
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EP1384812A22004-01-28
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US2276799A1942-03-17
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GB1169715A1969-11-05
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US20120192756A12012-08-02
Attorney, Agent or Firm:
JONES, Darren, J. (Lowe Graham Jones PLLC, 701 Fifth Avenue Suite 480, Seattle WA, 98104, US)
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