UNT Libraries Government Documents Department - 115 Matching Results

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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.

Improvement in Combination-Padlocks.

Description: Patent for "a padlock in which the permutation locking device is not permanently connected to the hasp; and said invention consists of a permutation device the fixed ends whereof are provided with sockets to receive the ends of a separate hasp, and be locked therewith by a notched bolt passing through the permutation device and both ends of the hasp, whereby the usual hinged connection of the parts is avoided, and the padlock made more secure and cheaper than when the parts are permanently united." (Lines 6-17) Includes instructions and illustrations.
Date: December 23, 1873
Creator: Hall, William N.

Improvement in Buckles.

Description: Patent for improvement in buckles by providing “with two two tongues on the same pivot, and with a guard for securing the same and the straps in position, thereby producing a simple and reliable means of connecting two straps.” (Lines 6-10) Illustration is included.
Date: June 18, 1872
Creator: Hardeman, Jerome B. R.

Improvement in Key-Hole Guards.

Description: Patent for "a guard for key-holes of locks, to prevent the use of keys by unauthorized persons, the picking of the lock, and as a means for operating the bolt when fitted for that purpose." (Lines 7-11) Includes instructions and illustrations.
Date: December 23, 1873
Creator: Hall, William N.


Description: Patent for "bevel-squares adapted to be converted into a try-square through the medium of a pivoted and adjustable blade." (Lines 13-15) Includes instructions and illustrations.
Date: March 9, 1897
Creator: Morris, Thomas R.


Description: Patent for a "trap designed to be placed around an ant-hill and adapted to capture ants leaving or returning to the ant-hill." (Lines 11-13) Includes instructions and illustrations.
Date: May 18, 1897
Creator: Bond, William Beebe

Hitching Device.

Description: Patent for "a hitching device which can be applied to a strap between its ends and which is freely adjustable back and forth upon the strap without wearing or injuring the strap in any manner and to form a hitching device which consists of two entirely separate and distinct pieces, thus doing away with all joints, pivots, or other connections, and the necessity for forming holes or perforations of any kind in the strap." (Lines 22-31) Includes instructions and illustrations.
Date: July 6, 1897
Creator: King, Sandy & Myers, Marshall


Description: Patent for an improved and durable pig trough, one that stays clean and can be filled and eaten out of easily without wasting feed.
Date: April 27, 1897
Creator: Neill, George A.

Attachment for Cultivators.

Description: Patent for a wheel-cultivator that attaches to planters or plows. It provides "means whereby a planter or a plow-beam carrying any desired cultivating implement can be attached to the frame of a riding or wheel cultivator frame, and thus enable the cultivator-frame to be applied to uses other than that for which it was intended" (lines 25-30).
Date: November 3, 1896
Creator: Morris, Thomas R.