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in subjects: "locks"  
Results: 1 - 7

Hame-Fastener

Description: Patent for improvements to a hame-fastener, specifically related to an easily made, inexpensively produced locking mechanism, including illustration.
Date: June 30, 1914
Creator: Fowler, Alvah W.
Partner: UNT Libraries Government Documents Department

Lock.

Description: Patent for a new and improved lock that which "provide a lock for doors, safes, drawers, and the like, the bolt of which is adapted to be unlocked from he outsides by means of a combination, and while being release will instantly ring the door-bell by means of connecting wires, and which, when operated from the inside, can be opened without giving the signal on the bell, and in either operation the parts of the lock will automatically return to their position and lock the bot in the striker-pla… more
Date: August 30, 1887
Creator: Rau, Louis Carl
Partner: UNT Libraries Government Documents Department

Lock.

Description: Patent for a new and improved lock. This design "is to produce a lock and key in which the lock-case has no exterior opening communicating with its wards or works, but is provided with a recess only for supporting the shank or axis of the key, while the only opening for the admission of the key to the interior of the lock, whereby its wards or bolt may be operated or controlled, is upon the interior of the lock-case, so that there is no possibility of introducing . . . picking devices therein, … more
Date: June 30, 1885
Creator: Markham, Thomas W.
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

Locking Mechanism

Description: Patent for locking mechanism, particulalry used in locking liquid dispensing machines.
Date: January 30, 1917
Creator: Bradley, Richard C.
Partner: UNT Libraries Government Documents Department

Seal-Padlock

Description: Patent for a padlock seal for train cars. Illustrations included.
Date: April 30, 1912
Creator: Lawler, Claude B.
Partner: UNT Libraries Government Documents Department

Permutation-Padlock.

Description: Patent for a permutation-padlock that "has for its object to provide a simple, inexpensive, and efficient construction and arrangement of parts whereby the bolt is firmly held in its locked position, and whereby the combinations may be changed with facility, and without opening the lock-casing" (lines 8-14).
Date: June 30, 1896
Creator: Wilcox, Ferdenand S.
Partner: UNT Libraries Government Documents Department
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