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4 Matching Results
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Shaft Bearing.
Patent for Improvements in Shaft Bearing. This bearing shaft is used to withstand heavy thrusts.
Date:
August 24, 1920
Creator:
Ball, Authur T.
System:
The Portal to Texas History
Snap-Hook.
Patent for a novel snap hook that is easily attachable to an object, but cannot be accidentally detached. The hook utilizes a snap engagement with the bill of the hook and a spring. The hook can be disengaged with finger pressure on the plating.
Date:
January 27, 1920
Creator:
Carroll, Basil M.
System:
The Portal to Texas History
Toy Grasshopper
Patent for a toy grasshopper that is able to jump on surfaces once it is set down to simulate the propelled jumping of a grasshopper. Because of its design, primarily of rubber bands and levers, the movement is unique. It is also able to be formed into other animals or insects, as the body is made of wood.
Date:
December 14, 1920
Creator:
Ford, George E.
System:
The Portal to Texas History
Rotary Moving Picture Machine.
Patent for motion picture machine with interchangeable heads, allowing for change of one reel while the other continues to play undisturbed from same machine.
Date:
November 16, 1920
Creator:
Hansard, Robert L.
System:
The Portal to Texas History