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5 Matching Results
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Car Coupling.
Patent for a new and improved coupling for railroad cars. This design consists of "a yielding draw-head having a horizontally-moveable coupling-pin and a pivoted lever connected to said pin, of a rotatable latching-plate connected with said lever by a rod or chain, a spring for acting on the pin-lever, and a spring-catch for engaging the latch-plate, said catch and latch-plate being disengaged by the pressure of the draw-head in the act of coupling, thereby releasing the retracted coupling-pin and allowing it to automatically engage the opposite draw-head" (lines 14-24).
Date:
December 7, 1886
Creator:
Sessions, Egbert G.
System:
The Portal to Texas History
Stalk-Cutter Attachment.
Patent for a planter attachment. It allows quick attachment of a stalk cutter that would let a planter serve two purposes.
Date:
February 7, 1922
Creator:
Haynes, Jack M.
System:
The Portal to Texas History
Thrust Bearing
Patent for a thrust bearing. Illustration included.
Date:
January 7, 1913
Creator:
Johnston, Horace G.
System:
The Portal to Texas History
Rock Drilling and Well Boring Machine.
Patent for improved rock drilling and well boring machine.
Date:
July 7, 1885
Creator:
Embry, Leonard B.
System:
The Portal to Texas History
Car Coupling.
Patent for a new and improved coupling for railroad cars. This design "consists in the combination of two draw-heads, in one of which is a spring-actuated jaw, which acts as a support for the coupling-pin until the jaw is pushed back into the coupling-head, and in the other a slotted spring-actuated jaw, which has its end so formed as to support the link in position ready to couple" (lines 11-18).
Date:
August 7, 1883
Creator:
Learmonth, James
System:
The Portal to Texas History