Direct fixation fastener assembly for track rail having molded support block and method of making same
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United States of America Patent
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Jun 20, 2023
Grant Date -
Jul 8, 2021
app pub date -
Jan 3, 2020
filing date -
Jan 3, 2020
priority date (Note) -
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Abstract
A fastening system for track rail includes a molded support block, and a direct fixation fastener positioned upon an upper side of the molded support block. The direct fixation fastener includes a metallic frame and a non-metallic overmolded jacket. Clamping fasteners of the fastening system are structured to engage with retention elements integrally molded in a concrete matrix material of the molded support block to clamp the direct fixation fastener to the upper side within a range of lateral positions.
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