Anti-spin/anti-drift module
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United States of America Patent
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Issued Date -
Dec 13, 2007
app pub date -
Apr 13, 2006
filing date -
Apr 13, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An anti-spin, anti-drift module for a railroad car plug door locking mechanism of the type having a gear segment, connecting bars and pipe assemblies operated by rotation of said gear segment, a main bearing plate, a bearing cover plate and an operating handle. The module includes a pinion shaft, a pinion gear mounted on the pinion shaft for movement along and rotation with the pinion shaft. Spring washers are positioned on opposite sides of the pinion gear with the spring washers exerting thrust against the pinion gear to retard its rotation. A tubular housing receives the pinion shaft, pinion gear, spring washers and a friction disk and thrust disk acted upon by the spring washers. Bushing caps enclose the tubular housing. An arcuate slot sized to receive a portion of the gear segment is formed in the tubular housing in meshing engagement with the pinion gear. An arm is attached to the tubular housing to secure the tubular housing against rotation.
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