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3 Matching Results
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Wire-Stretcher
Patent for a wire stretcher for stretching wire to build fences.
Date:
December 30, 1890
Creator:
Burdick, John
System:
The Portal to Texas History
Wire Twister and Tightener.
Patent for a wire twister and tightener for wire fences. With this invention, "the fence-wire is caused to be contracted, twisted, and made taut" (lines 17-18). It is a set of toothed ratchet wheels that have v-shaped slots for the wire. Pawls act on the teeth, and springs and levers move the pawls.
Date:
March 17, 1896
Creator:
Stafford, George A.
System:
The Portal to Texas History
Switch Attachment.
Patent for a switch attachment that consists of a derailing guard, a side track rail, an adjustable shoe that pivots next to the rail, a vertical groove in the end of the shoe, and a swinging free arm.
Date:
April 3, 1894
Creator:
Warren, Governor D. & Casey, James
System:
The Portal to Texas History