Resource Type
Counties
3 Matching Results
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Padlock.
Patent for a new and improved padlock. This design "relates . . . more particularly to those padlocks which are used for locking railway-switches . . . [T]he invention consists in a padlock comprising a bow, or hasp, or shackle, a spring-bolt for engaging the same, tumblers, and a lever connecting the tumblers and bolt, a locking device for the tumblers, and an audible alarm, such as a bell" (lines 9-25).
Date:
January 13, 1891
Creator:
Lucas, George William
System:
The Portal to Texas History
Spring Bed Bottom.
Patent for a new and improved box-spring. This design consists in "[a] main frame having slats and springs and a metallic frame encircling said springs, in combination with the curved brace-springs having the coils and loops pressing on top of the slats, said springs being secured to the slats and metallic frame, and the rods secured to said frame and passing through the ends of the slats" (lines 76-83).
Date:
January 13, 1891
Creator:
Houston, Leonard B.
System:
The Portal to Texas History
Door Check.
Patent for a new and improved door check. This design "consists in providing the door with a sliding rod, which is adapted to be actuated so as to engage with a retaining-block attached to the floor by the knob-shank, which is provided with a dog for raising and lowering the rod" (lines 17-22).
Date:
January 13, 1885
Creator:
Niggli, Emil
System:
The Portal to Texas History