The Antique Wrench Patent Archive

Every grip the nineteenth century took on a nut

Lockport new york patent

Patent drawing showing a long-handled wrench with a sliding jaw bar containing internal spring-loaded roller chambers, shown in assembled and open views with detail insets of the roller and cover plate.AUTOMATIC SELF-SETTING WRENCHBenjamin F. Bennett · November 6, 1883Patent drawing of a wrench with a sliding toothed jaw on a main bar, a hinged lever handle connected by pivoted fulcrum braces, and a small locking loop clasp, shown in four figures.SELF-ADJUSTING FULCRUM-LEVER WRENCHBenjamin F. Bennett · April 15, 1884