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Lock

Description: Patent for a lock. This invention is a design of door lock that uses a key and combination. Illustration included.
Date: February 12, 1907
Creator: Katzenberger, Oscar
Partner: UNT Libraries Government Documents Department

Permutation Lock.

Description: Patent for a new and improved combination lock. This design "consists in the construction and novel arrangement of the slotted bolt, follower, and follower-shaft, the elongated bolt-stop pivoted in the slot of the bolt, the radially-slotted disks having concentric stems on the follower-shaft, and the lettered or figured and graduated stem-caps engaging the respective stems by means of circular series of teeth" (lines 20-27).
Date: December 12, 1882
Creator: Saxon, James W.
Partner: UNT Libraries Government Documents Department

Permutation Lock.

Description: Patent for a new and improved combination lock. This design consists of "[a] door having at its edges the sockets formed by ribs and mouths in combination with permutation-disks, seated in said sockets and handles" (lines 5-8).
Date: June 28, 1881
Creator: Sevier, Moses Nimrod
Partner: UNT Libraries Government Documents Department

Permutation-Lock

Description: Patent for an improvement in the science of combination locks. Illustrations and instructions are included.
Date: June 23, 1883
Creator: Schuetze, Robert
Partner: UNT Libraries Government Documents Department

Lock.

Description: Patent for a new and useful improvement in locks, including instructions and illustrations.
Date: May 30, 1899
Creator: Katzenberger, Oscar
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

Car Window Lock.

Description: Patent for a new and improved car-window lock. This design consists in "the sliding crank-shaped spring-actuated bolt for locking the window, in combination with the oscillating cam acting upon the bolt to unlock it, said cam having a lateral arm with a spring-guide hinged thereto, a spring surrounding the guide, and means for swinging the cam and thus retracting the bolt" (lines 21-27).
Date: October 5, 1886
Creator: Cutter, Martin 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

Nut Lock.

Description: Patent for a new and improved nut lock. This design consists in "[t]he combination, with the loop-formed nut-locking device and the plate to which it is hinged, of the supplementary locking device, consisting of a wire or rod having one end bent at right angles and embracing the hinge of the main device and its other end provided with a hook to receive the side bar of the main device" (lines 37-44).
Date: April 23, 1889
Creator: Leiby, Isaac F.
Partner: UNT Libraries Government Documents Department

Improvement in Combination Locks.

Description: Patent for improved combination locks, with a bolt that is locked or unlocked by the combination of spindles and pivoted buttons. The invention combines the spindles in to an "annular ring having letters or numbers and a series of different shaped pegs or combinations of letters or figures or both jointly" (pg 1).
Date: September 12, 1871
Creator: Hall, William N.
Partner: UNT Libraries Government Documents Department

Permutation Lock.

Description: Patent for a new and improved combination lock. This design's operation "is as follows: Being unlocked, the bolt is in the retracted position . . . [t]he door can then be operated in the usual manner, being held, when closed, by the ordinary spring-bolt. . . . When the door is closed, in order to lock it, the graduated knob is turned, operating the toothed disk and the first or governing ring, which will . . . throw out the end of the locking-bolt. By turning the handle, all the rings of the slotted guide can be moved sufficiently to engage the teeth of the locking-arm of the bolt" (lines 80-94).
Date: April 17, 1883
Creator: Sarlls, Rutus & Holland, Virgil C.
Partner: UNT Libraries Government Documents Department

Permutation Lock.

Description: Patent for a new and improved combination lock. This design "consists in the construction and novel arrangement of the elongated case, its longitudinally slotted and notched partitions, the boltway over the partitions, reciprocating notched and perforated slides, and adjustable pins or studs engaging the perforations and projecting into the slots of the partitions, the rack-slide, drop-bolt, and graduated knob carrying the pinion" (lines 20-28).
Date: April 24, 1883
Creator: Sarlls, Rutus & Holland, Virgil C.
Partner: UNT Libraries Government Documents Department

Nut Lock.

Description: Patent for a new and improved nut-lock. This design consists in "[a] nut-lock key having a body or wedge portion and a head, and having such head provided at its inner edge with flanges or extensions, the inner edges of the flanges or extensions being separated from the body" (lines 70-74).
Date: June 28, 1887
Creator: French, Stephen H. & Maltby, William J.
Partner: UNT Libraries Government Documents Department

End-Gate Lock.

Description: Patent for "a fastening for end-gates of wagons and the like, the arrangement of parts being such as to permit the end-gate being always held in a locked position until it is desired to lower or raise the same." (lines 11-15).
Date: August 9, 1898
Creator: Murray, Nicholas Charles
Partner: UNT Libraries Government Documents Department

Lock.

Description: Patent for a new and useful combination lock designed for safe.
Date: February 15, 1898
Creator: Wise, Harry
Partner: UNT Libraries Government Documents Department