Patent for a new and improved nut lock. This design "consists in a friction roller held loosely between two nuts, or between a nut and any object to be held by a bolt, which roller, when the nut or lock-nut is screwed down upon it, binds the nut or nuts upon the bolt and locks them securely thereon" (lines 11-16).
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Description
Patent for a new and improved nut lock. This design "consists in a friction roller held loosely between two nuts, or between a nut and any object to be held by a bolt, which roller, when the nut or lock-nut is screwed down upon it, binds the nut or nuts upon the bolt and locks them securely thereon" (lines 11-16).
Physical Description
[2], 1 p. : ill. ; 23 cm.
Notes
"SPECIFICATION forming part of Letters Patent No. 310,985, dated January 20, 1885. Application filed April 30, 1884. (Model.)"