US Patent: 936,417
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| Wheel-chock
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Patentee:
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| George N. Crawford (exact or similar names) - Chicago, IL |
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Patent Dates:
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| Applied: |
May 06, 1909 |
| Granted: |
Oct. 12, 1909 |
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Jeff Joslin
Vintage Machinery entry for Lidgerwood Mfg. Co.
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Description: |
| This wheel-chock is intended for holding rail-mounted maintenance machinery in place while working, an application that requires a more robust solution than for typical chocks. An example of such machinery is a "scraper bucket excavator when the bucket is dragged toward the machine on a line substantially parallel to the track..." |
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