The Antique Wrench Patent Archive

Every grip the nineteenth century took on a nut

Adjustable jaw

Two side-view patent drawings of hand wrenches, each showing a long handle, a threaded adjusting nut, a sliding jaw carriage, and a hooked claw jaw at the top, labeled Fig. 1 and Fig. 2 with lettered parts A through G.WRENCH FOR GAS-PIPE, &c.Gustavus A. Jenks · June 24, 1856Patent drawing of a screw-wrench showing a wooden-handled bar with fixed and movable jaws, an adjusting screw with flattened side, and five small end-view cross-sections plus two longitudinal cross-sections illustrating the screw's flat and concave adjustment positions.IMPROVEMENT IN WRENCHESIsaac H. Smith · June 25, 1867Patent drawing of a 19th-century adjustable monkey wrench showing the fixed jaw, tapering wedge-shaped body with a central slot, and a sliding movable jaw secured by a screw, illustrated in four figures labeled Fig. 1 through Fig. 4 with lettered parts A through H.IMPROVEMENT IN WRENCHESHoward Tilden · January 5, 1869Patent drawing showing a pipe wrench with a long tapered lever handle, a curved pivoted upper jaw with serrated gripping surface, a set-screw, and a coiled spring mechanism, shown in side and edge views.IMPROVEMENT IN PIPE-WRENCHES.Henry A. Hyle · November 28, 1871Patent drawing of a combined gas-pipe wrench and vise mounted on a wooden workbench stand, showing multiple diamond-shaped toothed jaw plates, pivoted bars, a lever handle, and a separate exploded view of the adjustable bench stand with bolts.IMPROVEMENT IN PIPE-WRENCHESCharles Neames · January 9, 1872Patent drawing of pipe tongs showing a hook-shaped fixed jaw, a sliding jaw guided by an adjustable lever and fulcrum screw, with a detachable V-shaped cutter attachment shown in separate detail and edge views.IMPROVEMENT IN PIPE TONGS AND CUTTERS.James E. Roache · December 31, 1872Two side-by-side technical drawings of a screw wrench: Fig. 1 shows the exterior profile with a rounded head and tapered handle, and Fig. 2 shows a cross-section revealing the internal shank, hollow handle, adjusting nut, and set-screw mechanism.IMPROVEMENT IN WRENCHESJames B. Weeden · March 11, 1873Patent drawing of an 1875 adjustable screw wrench showing a fixed jaw C, a sliding jaw G on an angular bar B, a threaded adjustment screw with milled head M, and a wooden handle E attached via a ferrule H, with cross-sectional figures 2 through 4 illustrating the hexagonal bar profile and jaw fit.IMPROVEMENT IN WRENCHESOtis T. Bedell · January 12, 1875Two patent drawings of a pipe wrench: Fig. 1 shows the assembled tool with a curved hook-jaw, adjustable center block, and long handle; Fig. 2 shows a cutaway cross-section revealing the internal adjusting screw and hollow shank mechanism.IMPROVEMENT IN PIPE-WRENCHESGeorge H. Crosby · June 27, 1876Two side-by-side line drawings of an adjustable monkey wrench: Fig. 1 shows the exterior with a fixed jaw B, sliding toothed jaw D, ratcheted bar A, thumb-piece c, and turned wooden handle C; Fig. 2 is a cutaway section revealing the internal spiral spring f seated in a socket e behind the sliding jaw, with a small access hole d.IMPROVEMENT IN WRENCHESSamuel Christoffer Englund · May 29, 1877Patent drawing of a pipe wrench showing a hooked stationary jaw with inward-pointing teeth, a movable toothed jaw sliding on a threaded shank through a slotted frame, an egg-shaped adjusting nut, and a long tapered wooden handle, with a separate cross-section view labeled Fig. 2 showing the nut and slot arrangement.IMPROVEMENT IN PIPE-WRENCHESLawrence Glynn · May 7, 1878Patent drawing of a hand-held pipe wrench with a wooden handle, threaded shank, adjusting nut, and a jawed head containing two toothed dogs and a cutter blade for gripping and cutting pipe.IMPROVEMENT IN PIPE-WRENCHES WITH CUTTERS.Benjamin Franklin and James Gilberds · February 18, 1879Patent drawing of a pipe wrench showing a curved fixed jaw M at one end of a long bar A, with a sliding frame C, screw cylinder E, movable jaw B, and a curved cam-lever handle D pivoted at F, illustrated in side elevation, cross-section, and jaw detail views.IMPROVEMENT IN PIPE-WRENCHESDan P. Foster · December 9, 1879Patent drawing of a ratchet wrench showing five figures: a perspective view of the assembled tool with adjustable jaws and knurled screw, two cross-sectional views revealing internal pawls and ratchet teeth, a small circular cross-section, and an enlarged perspective of the head with parts broken away to show the sliding jaw mechanism.WRENCH.Ernest Frederick Rettberg and Charles Carroll Ellis · February 2, 1886Patent drawing of a pipe wrench showing two toothed jaws (A and B) joined by a threaded lever (C) passing through flaring slots, secured by a convex nut (E), with a spring (F) shown between the jaws and a separate detail view of the nut in Fig. 2.PIPE-WRENCH.Andrew J. Curtis · April 8, 1890Patent drawing of a monkey wrench with a long handle, a screw-threaded bar, a sliding sleeve with thumb-nut, and two divergent toothed jaws connected by links, shown in both side and edge views.MONKEY-WRENCH.William W. Charlton · November 4, 1890Patent drawing of a long-shanked adjustable wrench with a fixed jaw at top, a sliding movable jaw with an embedded spring pawl, a threaded bolt running down the shank into a rotating nut inside a pivoted hollow handle, and detail insets of the jaw, stay-block, and internal nut.WRENCH.Frank Stacey Chaney · April 28, 1891Patent drawing of a nested multi-blade combination wrench, showing folded and exploded views with lettered parts labeled A, B, a, b, l, o, s, and h.COMBINATION-WRENCHWilliam W. Shoe · May 9, 1893Patent drawing of a monkey wrench showing the handle, notched shank, sliding jaw with internal pawl and spring mechanism, and a hammer-shaped rigid head, with multiple cutaway and detail views labeled with reference letters A through L.MONKEY-WRENCH.Henry Bivin · February 27, 1894Patent drawing of a hand wrench with a rectangular handle, a slotted yoke, ratchet-toothed fixed and movable jaws, and a small pivoting auxiliary smooth jaw, shown in four labeled figures with numbered reference lines.WRENCHJohn G. Newell · April 5, 1898