The Antique Wrench Patent Archive

Every grip the nineteenth century took on a nut

Nut wrench

Technical patent drawing showing a hand gripping a ratcheting nut wrench with a toothed wheel and adjustable jaws, alongside top, bottom, cross-section, and alternate jaw-adjustment views labeled Figs. 1 through 5.IMPROVEMENT IN WRENCHESE. J. Leyburn · October 13, 1868Patent drawing of an adjustable nut wrench with a wooden handle, showing a hollow metal stem with a sliding jaw adjusted by a screw, plus cross-section details of the socket, washer, and ferrule assembly.IMPROVEMENT IN WRENCHESDaniel Campbell · October 4, 1870Patent drawing of an 1872 wrench showing a circular jawed head with four sliding jaws operated by an internal scroll, a hand-wheel for adjustment, and a handle with a pivoted ratcheting pawl and thimble near the shank.IMPROVEMENT IN WRENCHESOvide Bonneville · November 26, 1872Patent drawing of a combination nut and tap wrench showing a tapered shank with two side arms holding opposing jaws adjusted by right-and-left-hand screws with milled and T-shaped heads, alongside a front and end view of the same mechanism.IMPROVEMENT IN NUT AND TAP WRENCHESJoseph Goodrich · December 10, 1878Patent drawing of a 19th-century pipe and nut wrench showing two figures: an upper jaw with a wing-nut secured bit and a lower sliding concave block adjusted by a screw, gripping a pipe section labeled P and nut N.IMPROVEMENT IN PIPE AND NUT WRENCHESDaniel Fisher · March 4, 1879Patent drawing of a combined pipe and nut wrench showing two hinged jaws, one smooth curved and one with a corrugated removable face-plate, connected via a pivoted link and toggle mechanism to a long handle, with numbered reference lines pointing to each part.COMBINED PIPE AND NUT WRENCH.Robert James Thompson · July 7, 1896