5 Matching Results
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Centrifugal Brake Mechanism
Patent for a centrifugal break mechanism, primarily designed as an automatic brake device for elevators travelling at an abnormal speed.
Date:
April 16, 1918
Creator:
Cobb, Albert C.
System:
The Portal to Texas History
Machine-Gun.
Patent for a machine gun, meant to have relatively few parts, that includes a belt to carry a large amount of cartridges. The machine gun "provides a structure wherein the cartridges are positively and consecutively fed to the explosion chamber" (lines 11-14).
Date:
July 16, 1918
Creator:
McManus, Luis M. & Warner, James Harold
System:
The Portal to Texas History
Protecting-Casing for Electrical Conductors
Patent for "new and useful Improvements in Protecting-Cases for Electrical Conductors" (lines 5-7). The object of the invention is to provide a device... for surrounding the commutator of an internal combustion motor and protecting the terminals thereof and the electrical conductors connected to said terminals" (lines 12-17).
Date:
July 16, 1918
Creator:
Rooke, Henry L., Jr.
System:
The Portal to Texas History
Pump Mechanism
Patent for improvements in well pumps involving protecting and lubricating parts during use.
Date:
July 16, 1918
Creator:
Layne, Mahlon E.
System:
The Portal to Texas History
Shadowgraph.
Patent for "improvements in shadowgraphs" (lines 12-13) "to afford entertainment and amusement" (lines 22-23) by means of using "a holder for pieces of which a design may be composed" (lines 31-32), including one illustration.
Date:
April 16, 1918
Creator:
Barler, Eugene Miles
System:
The Portal to Texas History