Nut Lock.
Description:
Patent for a new and improved nut-lock. This design "is to produce a nut-lock which will require a minimum number of parts to adjust, will require no other tools than a wrench, which will stay where adjusted in spite of any amount of pounding or concussion, and which, when desired, may be removed without difficulty. To this end [the] invention consists in a nut provided with a serrated face and a washer having sharp spring-lips engaging with the serrations. [The] invention also consists in a pe…
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Date:
December 6, 1887
Creator:
Parks, John W.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department