Description: Patent for a new and improved nut-lock. This design "consists of a slide or continuous collar or ring, made of lead or other soft or compressible metal or material, having a hole so that it will fit or pass over the end of an ordinary bolt, and adapted to be pressed into the threads of the bolt and against the face of an ordinary nut by a suitable die" (lines 16-23).
Date: August 31, 1886
Creator: Shellenberger, Samuel L.
Item Type: Refine your search to only Patent
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