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Nut Lock.

Description: Patent for a new and improved nut lock. This design utilizes "[t]he combination, with the bolt having a longitudinal groove therein, and the nut having a circular recess in its inner face and a series of perforations in its outer face, of the key having its inner end bent at right angles and fitted in said recess, and provided with an arm and pivoted catch at the outer end, which catch is adapted to engage with a perforation in the nut" (lines 47-55).
Date: May 15, 1883
Creator: Mlinarich, Gioseppe Iosef Pepos
Partner: UNT Libraries Government Documents Department

Nut Lock.

Description: Patent for a new and improved nut lock. This design calls for a grooved nut and bolt to hold a pin between the two while the bolt is screwed onto the nut. Depending on whether or not the pin is in said grooves, the nut may or may not be removed from the bolt, which increases the worker's control over the nut and bolt and prevents unintended loosening.
Date: March 1, 1881
Creator: Bunker, John Williamson
Partner: UNT Libraries Government Documents Department

Nut Lock.

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.
Partner: UNT Libraries Government Documents Department

Nut-Lock.

Description: Patent for a nut lock, which holds securely in place and is inexpensive to manufacture.
Date: June 14, 1910
Creator: Posey, James A.
Partner: UNT Libraries Government Documents Department

Nut Lock

Description: Patent for nut lock. Illustration included.
Date: March 28, 1905
Creator: Robertson, George Francis & Rodgers, Archie N.
Partner: UNT Libraries Government Documents Department

Nut Lock

Description: Patent for a nut lock. Illustration included.
Date: August 9, 1904
Creator: Payne, Newton & Guynes, Allen Perry
Partner: UNT Libraries Government Documents Department

Nut Lock

Description: Patent for a nut lock. Illustration included.
Date: June 13, 1905
Creator: Mills, Thomas M. & McKinnon, Thomas J.
Partner: UNT Libraries Government Documents Department

Nut Lock

Description: Patent for a nut lock. Illustration included.
Date: August 22, 1905
Creator: Marx, Ernest Max & Moses, Ealy J.
Partner: UNT Libraries Government Documents Department

Nut Lock.

Description: Patent for a new and improved nut lock. This design "consists of a volute spring-washer which is formed of a stiff or steel strong plate that is coiled or set up in . . . an edgewise manner, and is provided with one or more projections or spurs on its top and bottom surfaces, adapted to engage with the under side of the nut and the fish-plate or other object, said spurs or projections being formed on the top and the bottom edges of the inner and outer coils of the spring-washer" (lines 20-29).
Date: July 1, 1884
Creator: Campbell, Eli F.; Noble, Laroy C. & Howe, Milton G.
Partner: UNT Libraries Government Documents Department

Nut Lock.

Description: Patent for a new and improved nut lock. This design consists in "[a] lock . . . for a nut having a non-circular recess in its rear face, consisting of a washer having a non-circular opening whereby it may be keyed upon a bolt and fitted to enter the non-circular recess of a nut, and a securing-plate having an opening fitted to receive the locking-washer" (lines 81-87).
Date: June 15, 1886
Creator: Unger, Louis
Partner: UNT Libraries Government Documents Department

Nut Lock.

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).
Date: January 20, 1885
Creator: Campbell, James A.
Partner: UNT Libraries Government Documents Department

Nut Lock.

Description: Patent for a new and improved nut-lock. This design consists in "the plate having the outstanding lugs, the retaining arms pivoted to one of said lugs, the detent between said lugs, and the locking-bolts having the head portion and the corrugated shank" (lines 64-68).
Date: June 19, 1888
Creator: Anderson, Lee
Partner: UNT Libraries Government Documents Department

Nut Lock.

Description: Patent for a new and improved nut-lock. This design "is an improvement in that class of nut-locks in which so-called 'jam-nuts' are turned up on the bolt against the nut to be locked; and the present invention lies, mainly, in the particular construction of the end or ends of the thread of the locking nut or washer by which to more securely and effectually lock the nut in place on the bolt" (lines 8-15).
Date: May 24, 1892
Creator: Terry, David C. & Maltby, William J.
Partner: UNT Libraries Government Documents Department

Nut Lock.

Description: Patent for a new and improved nut lock. This design has, "[i]n combination with a bolt having a cylindrical stem and a head beveled on its inner face, a nut tapped to receive the threaded end of the bolt and prevented from turning" (lines 73-77).
Date: January 31, 1888
Creator: Anderson, Lee
Partner: UNT Libraries Government Documents Department

Nut Lock.

Description: Patent for a new and improved nut-lock. This design "consist[s] of a strip of metal having the looped portion adapted to embrace the bolt, and having the downwardly-bent spring portion or end forming a biting-edge, the rearwardly-extending straight portion bent upward . . . to form a bearing point or edge, which is also adapted, in conjunction with the edge to grip the fish-plate . . . the forwardly-extending straight spring portion overlapping the straight portion, the inner curved edge of which lies in the path of the edge of the nut when the latter is turned upon the bolt" (lines 76-89).
Date: January 14, 1890
Creator: Anderson, Lee
Partner: UNT Libraries Government Documents Department

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 peculiarly-constructed washer for locking the nut" (lines 18-30).
Date: December 6, 1887
Creator: Parks, John W.
Partner: UNT Libraries Government Documents Department

Nut Lock.

Description: Patent for a new and improved nut lock. This design consists in "[t]he combination of the bolt, the nut having a dovetailed groove across its face, of uniform width throughout its length, and a recess at one side of said groove, and a key having tapered sides and sliding into the dovetailed groove from one side of the nut, said key having a pointed end to engage the bolt and also provided with a projecting part to be bent over into engagement with the recess in the nut" (lines 69-78).
Date: April 19, 1892
Creator: Robinson, William D.
Partner: UNT Libraries Government Documents Department