Nut Lock.
Description:
Patent for a new and improved nut lock. This design consists in "[t]he combination, with the end-cleft screw-bolt, of the wedge which is made of the same width as the diameter of the bolt, and provided with serrations corresponding to the screw-thread, and the fastening-wire which is wrapped around both bolt and wedge and lies in their respective grooves and serrations" (lines 72-78).
Date:
August 23, 1881
Creator:
McAllister, Lewis Campbell
Partner:
UNT Libraries Government Documents Department