Adjustable Pipe-Wrench. (open access)

Adjustable Pipe-Wrench.

Patent for an adjustable pipe wrench "in which the opposing jaws of the wrench are maintained at an angle to each other, so hat they converge toward their extremities, thus enabling a firmer hold to e obtained upon the pope or other article to be gripped by said jaws." (Lines 15-20) Includes instructions and illustrations.
Date: July 20, 1897
Creator: Fauver, Addis E.
System: The Portal to Texas History
Spring Draft Attachment. (open access)

Spring Draft Attachment.

Patent for a new and improved spring-draft attachment. This design "is to do away with the ordinary doubletree . . . which is especially adapted for a two-horse vehicle, which . . . prevents the horses from pulling against one another, [and ] prevents the pole from swaying sidewise" (lines 10-18). It "consist[s] of a frame provided with an eye at one end and with a cross-bar near its center, a draw-bar having one end screw-threaded and provided with an eye at its other end and with a collar at its screw-threaded end, a nut on the draw-bar, and a spring surrounding the draw-bar" (lines 65-71).
Date: July 26, 1892
Creator: Tiner, John F.
System: The Portal to Texas History