The Antique Wrench Patent Archive

Every grip the nineteenth century took on a nut

Adjustable wrench

Patent drawing showing three views of a wooden-handled adjustable wrench with a permanent upper jaw, a sliding lower jaw adjusted by a threaded stem and nut, plus detail views of the jaw's internal recess and cross-sections.IMPROVEMENT IN DUPLEX WRENCHAugustus Ball Davis · August 9, 1870Patent 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 a fork-wrench showing two interlocking jaws (Fig. 1) with a pivoted lever having a pear-shaped cam-head sliding within a rectangular recess, and a separate sectional view (Fig. 2) of the sliding jaw's shank and flange.IMPROVEMENT IN FORK-WRENCHES.Daniel Witt · July 16, 1872Patent drawing of a pipe wrench showing a toothed revolving disk (B) paired with a pivoted hook-jaw (D) at the head of a long handle (A), with a rear view of the handle showing internal bolts C and E and a spring F, plus a small separate toothed insert piece G.IMPROVEMENT IN PIPE-WRENCHESEliphalet H. Adams and Asher F. Gates · January 18, 1876Patent drawing showing an adjustable monkey wrench with a long curved handle, a fixed and movable jaw in the head, and separate detail views of the sliding jaw and threaded adjusting screw with labeled parts A through K.IMPROVEMENT IN WRENCHESAndrew B. Lipsey · July 31, 1877Patent drawing showing four figures of a 19th-century combination wrench and pipe cutter, including full side views with wooden handles, a top view of the jaw mechanism, and a small detached rotary cutting disk on a shaft.IMPROVEMENT IN COMBINED WRENCH AND PIPE-CUTTERBernard Donohue · September 25, 1877Patent drawing of an adjustable wrench with a toothed alligator-style jaw at the top, a long bar with a sliding sleeve, and a pair of curved jointed spring levers forming a handle that closes the jaw when squeezed, shown in side and top views alongside cross-section details of the joint and threaded adjusting nut.IMPROVEMENT IN ADJUSTABLE WRENCHES.Seth E. Hurlbut · December 23, 1879Patent drawing of a wrench showing a long handle with a sliding, bolt-locked head bearing a pivoted hook-shaped serrated jaw opposite a fixed angular serrated jaw, with a separate cross-sectional detail of the head assembly.WRENCHBenjamin Blanton Farris · March 10, 1891Patent drawing of a combined pipe, ratchet, and monkey wrench showing a long flattened screw-stem handle with an adjustable jaw mechanism at top, a curved bail-shaped frame with cog-spur gear plate, a pivoting lever handle with an inverted T-slot, and several detail insets of the detachable ratchet plates, lock bolts, and jaw components.COMBINED PIPE, RATCHET, AND MONKEY WRENCH.Samuel M. Friede · September 4, 1894Patent drawing showing three views of a combined monkey and pipe ratchet wrench: a side view with a long handle and geared head, a slim edge view of the handle, and a modified version with integral jaws and a spur-gear plate.COMBINED MONKEY AND PIPE RATCHET WRENCH.Samuel M. Friede · September 4, 1894