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914,385
will be caused to exert a perpendicular pull and there will be no lateral strain and conse- quently no binding and friction. Having thus described the invention what 5 is claimed is: A counterbalancing attachment for a pump comprising upper and lower clamps to re- spectively engage the pump rod and the pump casing, levers pivoted at their inner i ends ..o the upper clamp and each composed of two straps having their outer ends spaced apart in parallel relation, weight blocks hav-
ing grooves to receive the spaced straps of the levers, clamping bolts passed through said spaced straps to adjustably secure the 15 weights upon the levers and links between the lower clamp and the intermediate por- tions of the levers. In testimony whereof I hereunto affix my signature in the presence of two witnesses. 20 CHARLES KAVENDOR COTTEN, Witnesses: JAS. B. KEATING, JOE KEATING.
Cotten, Charles Kavendor.Counterbalancing Device for Pumps.,
patent,
March 9, 1909;
[Washington D.C.].
(texashistory.unt.edu/ark:/67531/metapth510150/m1/3/:
accessed April 22, 2018),
University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu;
crediting UNT Libraries Government Documents Department.