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3 Matching Results
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Gearing
Patent for improvements in gearing, "especially adapted for use in connection with wind mills and other devices" (lines 9-11) including illustrations.
Date:
April 11, 1916
Creator:
Wiggins, Hundley
System:
The Portal to Texas History
Pipe Wrench.
Patent for a new and improved pipe wrench. This design consists, "with the stationary jaw provided with a shank and an inclined portion on the shank, of a movable jaw, also provided with a shank, having an inclined portion on it and pivotally connected to the stationary jaw, and a loop pivoted to the stationary jaw and engaging with the shank of the movable jaw, whereby the said two inclined portions are retained in working position" (lines 85-94).
Date:
February 11, 1890
Creator:
Bartlett, William George & McCoy, John William
System:
The Portal to Texas History
Plow Attachment.
Patent for a plow attachment, which holds the plow wheel in place.
Date:
October 11, 1910
Creator:
Dowdy, Ewell Monroe
System:
The Portal to Texas History