Patent ID: 6637347
Filing Date: 2003-10-28
Classification: B61D,E05B,E05D,E05Y

Abstract:
An anti-spin/anti-drift module for attached to a railway car plug-in door locking mechanism releasably locking said door, comprising:a pinion shaft having inner and outer ends; said outer end of said pinion shaft extending through the outer surface of said door; an operating handle attachable to said outer end of said pinion shaft; a back plate secured to said inner end of said pinion shaft and having inner and outer surfaces; said back plate having at least a pair of spaced-apart arcuate slots formed therein; said pinion shaft having an externally threaded portion thereon outwardly of said back plate; a pinion shaft sleeve, having inner and outer ends, threadably mounted on said externally threaded portion of said pinion shaft; a pinion gear assembly, having inner and outer ends, mounted on said pinion shaft sleeve for rotation therewith; said pinion gear assembly having an outer ring-shaped plate at its outer end which has a inner and outer surfaces; said pinion gear assembly having an inner ring-shaped plate at its inner end which has inner and outer surfaces; said pinion gear assembly including an externally presented pinion gear positioned between said inner and outer plates; said pinion gear assembly including inwardly extending dogs which are movably received by said arcuate slots in said back plate; a first ring-shaped ratchet, having inner and outer surfaces, rotatably positioned between said inner ring-shaped plate and said back plate; said first ring-shaped ratchet including spaced-apart peripheral ratchet teeth; a first ring-shaped friction washer positioned between said inner surface of said inner ring-shaped plate and said outer surface of said first ratchet; a second ring-shaped friction washer positioned between said inner surface of said first ratchet and said outer surface of said back plate; a second ring-shaped ratchet having inner and outer surfaces rotatably positioned adjacent said outer surface of said outer ring-shaped plate; said second ratchet including spaced-apart peripheral ratchet teeth; a third ring-shaped friction washer, having inner and outer surfaces, positioned between said outer surface of said outer ring-shaped plate and said inner surface of said second ratchet; a flange mounted on said pinion shaft outwardly of said second ratchet for rotation with said pinion shaft and having inner and outer surfaces; a fourth ring-shaped friction washer positioned between said outer surface of said second ratchet and said inner surface of said flange; said ratchet teeth of said first and second ratchets facing opposite directions; said ratchet teeth of said first ratchet adapted to be engaged by a first ratchet pawl; said ratchet teeth of said second ratchet adapted to be engaged by a second ratchet pawl; said first ratchet having an even number of ratchet teeth; said second ratchet having an odd number of ratchet teeth.