The Antique Wrench Patent Archive

Every grip the nineteenth century took on a nut

Monkey wrench

Patent drawing of a 19th-century screw wrench showing a side view with movable and stationary jaws, a threaded shank and nut, a hollow handle, and cross-sectional details of the strap attachment mechanism.SCREW-WRENCH.Jabez C. Terry · July 11, 1854Patent drawing of a 19th-century screw wrench showing a two-part cast construction with a sliding jaw, a threaded adjustment screw with thumb piece, a wooden handle, and several cross-sectional detail views of the jaw halves and bar.Wrench.Joseph Hyde · November 23, 1858Patent drawing of an 1860 lever-action monkey wrench showing a hammer-head handle, a movable jaw operated by a pivoted lever and curved ratchet strip, and a wooden hand-hold grip.WRENCH.F. W. Kroeber · December 18, 1860Patent drawing of a monkey-style screw wrench showing the long handle, stationary and sliding jaws labeled B and B', the threaded shank A, and an exploded detail of the knurled rosette D with its grooves and projections at Fig. 2.IMPROVEMENT IN WRENCHESGeorge C. Taft · November 10, 1863Patent drawing showing several views of a self-adjusting screw wrench with a wooden handle, sliding jaws, and internal pin-and-slot mechanism labeled Figures 1 through 8.IMPROVEMENT IN WRENCHESPhilip Sommer · January 29, 1867Patent 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 an 1868 wrench showing a perspective view with a fixed jaw and sliding jaw on a slotted bar, a cross-section revealing an internal cam and groove, a side view with jaws open, and two smaller modification diagrams labeled Fig. 4 and Fig. 5.IMPROVEMENT IN WRENCHESH. Schuyler Ross · March 3, 1868Patent 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 of a Capewell wrench showing four figures: an open handle with sliding jaw bar and coil spring (Fig. 1), a similar wrench with a fixed outer jaw and sliding inner jaw on a metal bar (Fig. 2), a cross-section through the jaw (Fig. 3), and a hammer-face end view of the second wrench pattern (Fig. 4).WRENCHGeorge J. Capewell · January 18, 1870Patent drawing of a 19th-century monkey wrench showing a solid head and corrugated stem with a sliding jaw locked by an eccentric lever, plus a cross-section of the grooved stem and jaw.IMPROVEMENT IN WRENCHESJohan Fredrik Nordquist · April 26, 1870Patent 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 1870 adjustable wrench showing a toothed shank, sliding jaw with thumb-screw and spring catch, and a wooden handle, alongside internal cross-section views labeled Fig. 1 through Fig. 3.IMPROVEMENT IN WRENCHES.Peter Burress and Conrad Cline · November 22, 1870Patent drawing showing a sectioned monkey wrench with a tapering square bar, a fixed jaw at top, a sliding jaw threaded onto a central screw, and a wooden handle secured by a ferrule block with a quill tube, alongside separate perspective views of the sliding jaw and the bare tapering bar body.IMPROVEMENT IN WRENCHES.Alonzo Whitcomb · November 7, 1871Patent drawing showing a side sectional view of a monkey wrench with wooden handle D, adjustable jaw B, threaded screw C, and shank A, plus a small cross-sectional Fig. 2 detail.IMPROVEMENT IN WRENCHES.Luke Chapman · November 21, 1871Patent drawing of a wrench with a rack-toothed bar, a sliding jaw held by a spring-loaded pawl, and an adjusting screw at the base of the jaw, alongside sketches of alternate jaw and nut shapes.IMPROVEMENT IN WRENCHES.Frank Leo Delfer · November 26, 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 a monkey wrench showing a toothed shank with fixed upper jaw, a sliding frame with movable jaw held by two interlocking gear wheels, a thumb-lever at the base of the frame, and a wooden handle below.IMPROVEMENT IN SCREW-WRENCHESDavid Frank · April 15, 1873Side elevation of a monkey wrench showing the main lever A with fixed and movable jaws B, a threaded arm C locked by a half-nut D, a pivoted lever F, and a turned wooden handle G with a cam ferrule H,I at its base.IMPROVEMENT IN WRENCHESWilliam H. Crittendon · April 21, 1874Patent drawing of a wrench showing a stationary jaw A with toothed shank B, a movable jaw C engaged by a pinion b, a locking sleeve D with cam, and a stop-pawl E, alongside two cross-section views (Figs. 2 and 3) illustrating the locked and unlocked positions of the pawl and pinion mechanism.IMPROVEMENT IN WRENCHESBenjamin G. Martin · October 27, 1874Patent 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, 1875Patent drawing showing four figures of a 19th-century pipe wrench: a long straight handle (a) ending in a curved goose-neck jaw with a hooked head (c), a pivoted serrated tongue (d) held by an internal coil spring (g) and pin (j), shown in three cross-section views and one detached close-up of the jaw mechanism.IMPROVEMENT IN PIPE-WRENCHES.Charles H. Fulmer · March 2, 1875Two side-by-side technical drawings of a monkey wrench: Fig. 1 shows the full wrench with adjustable jaw and screw mechanism, and Fig. 2 shows a cross-section revealing an internal cam labeled 'a' with a separate locking lever labeled 'b' running down the handle.IMPROVEMENT IN WRENCHESHenry R. Sloat · April 20, 1875A patent drawing showing a side view of a screw-wrench with a wide stationary jaw at top, a movable jaw with clasp-bearings sliding on a reinforced bar, a knurled rosette and threaded screw mechanism in the middle, a ferrule collar, and a tapered wooden handle at the bottom.SCREW-WRENCHJohn H. Coes · December 28, 1875Two side-by-side technical drawings of a 19th-century pipe wrench, one showing the exterior elevation with a curved hook-jaw, threaded shank, sliding nut, and turned wooden handle, and the other a longitudinal cross-section revealing the internal screw threads and hatched metal components.IMPROVEMENT IN PIPE-WRENCHESIsaiah Cressey · March 7, 1876Patent drawing of a 19th-century monkey wrench showing side, back, and cross-section views with labeled parts including the fixed jaw C, movable jaw D, adjusting screw E, sliding bar A, handle B, spring H, and control lever J.IMPROVEMENT IN WRENCHESEdward H. Knight · May 30, 1876Patent drawing of a pipe-cutter tool showing a hooked jaw stock, sliding jaw, threaded feed-spindle, and a reversible rectangular cutting bit held in a small carrier block, illustrated in both cross-section and perspective views.PIPE-CUTTER.Hampton W. Evans · July 4, 1876Patent drawing of a screw wrench showing the full side view with adjustable jaws and rosette screw, plus cross-sectional details of the cast metal handle with internal nut and shank.IMPROVEMENT IN WRENCHESLoring Coes · January 9, 1877Patent drawing of a 19th-century monkey wrench showing side, front, and back views with labeled jaws, threaded stem, and adjusting nut, along with several small cross-section diagrams of the jaw and flange design.IMPROVEMENT IN MONKEY-WRENCHES.Jay W. Powers · February 27, 1877Two 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 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 of a monkey wrench showing a fixed jaw at top, a sliding movable jaw with an internal locking screw and thumb-piece, a cross-section of the bar's mutilated threads, and a tapered wooden handle below, with hand-lettered part labels A through h.IMPROVEMENT IN MONKEY-WRENCHESAlbert A. Sanborn and Charles Burroughs · September 11, 1877Patent drawing of a 19th-century monkey wrench showing a perspective view with labeled jaws, sliding stem, threaded nut, and handle ferrule, along with a longitudinal cross-section and two transverse sections illustrating the locking nut mechanism.IMPROVEMENT IN WRENCHESCalvin H. Covell · November 20, 1877Patent drawing of a 19th-century pipe wrench showing a long serrated lever A with a hinged jaw B connected by a bent yoke C and pivot D, plus a small removable slide E that wedges between the lever and jaw to lock the grip; separate figures show the lever edge-on, the jaw-and-yoke assembly, and the slide piece in isometric detail.Pipe-Wrench.John Hartman, Jr. · June 18, 1878Patent drawing of a 19th-century monkey wrench showing a handle with a fixed jaw, a sliding movable jaw, and a curved cam lever used to lock the jaw in place, with additional cross-section details of the jaw slot and grooves.IMPROVEMENT IN WRENCHESJohn M. Marty · September 10, 1878Patent drawing of an L.S. Starrett wrench showing a longitudinal cross-section with labeled jaw, screw, spring, and brace parts, plus a side view and detail cross-sections of the jaw and pivoting brace mechanism.IMPROVEMENT IN WRENCHESLaroy S. Starrett · February 25, 1879Patent drawing of a monkey wrench with a stationary jaw B and sliding jaw C on a threaded shank, alongside interchangeable attachments including a pipe-threading die, bolt-threading die box, pipe cutter, and nut tap, each fitted with an arm L to insert into a socket on the sliding jaw.IMPROVEMENT IN MONKEY-WRENCHESBaziel Winans Lloyd · July 22, 1879Patent 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 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 an elongated tapered handle ending in a screwdriver tip at top and a curved gripping jaw with ratchet teeth at bottom, with two detailed close-up views (Fig. 1 and Fig. 2) showing the pivoting jaw, coiled spring, set-screw, and locking lug mechanism.WRENCHAlbert Langstrom · June 1, 1886Patent drawing of a monkey wrench showing a sectional view of the sliding threaded jaw mechanism with a pivoting handle, pawl, and notched locking teeth, along with cross-sectional and perspective detail views labeled Figs. 1 through 5.WRENCH.Vincent J. McDonnell · April 30, 1889Patent drawing of a monkey-wrench-style tool showing an angled handle with a sliding jawed head, a thumb-nut adjustment collar, and a retractable screwdriver blade housed within the handle, with four labeled figures illustrating the assembled tool, cross-sections, and the screwdriver detail.COMBINED WRENCH AND SCREW-DRIVER.Burr Albert Haines · September 17, 1889Patent 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 19th-century combination wrench showing a sliding jaw, toothed rack-bar, pivoted lever handle, screwdriver tip, and a detachable U-shaped pipe-wrench casing, with detail views of the jaw mechanism and wire-cutter.COMBINED NUT-WRENCH AND TOOLWilliam Henry Huston · October 21, 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 pipe wrench showing a twisted handle forming two arms, a stationary jaw at top with a screw-thread adjustment nut, and a sliding box holding a reversible toothed pawl on a pivot pin, with separate detail views of the pawl and slide components.WRENCHFrank S. Cook · March 3, 1891Patent 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 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 compound-action monkey wrench showing the wrench body with adjustable jaw and screw stem, a long handle with a locking commander head, a semi-circular toothed rag-spur gear plate, and detail views of the ratcheting frame and key-pin engagement.COMPOUND-ACTION MONKEY-WRENCH.Samuel M. Friede · August 28, 1894Patent 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, 1894Patent drawing of an adjustable pipe wrench showing a long handle with a fixed serrated jaw and a curved swinging upper jaw locked by a toothed pawl and set-screw clip, with detail views of the pawl, ears, and cross-section of the jaw assembly.WRENCH.James M. Watson · February 4, 1896Patent drawing showing a pipe wrench with a long straight lever ending in a serrated jaw, paired with a curved sliding jaw featuring a slotted shank, shown in five views including side elevations, detached perspectives, and a cross-section.PIPE-WRENCH.James P. Kennedy · May 4, 1897Patent drawing of a ratchet monkey wrench showing the long handle, a rotatable jawed head with sliding jaws, an internal ratchet ring, and detail views of the linkage bolt and dog mechanism.RATCHET MONKEY-WRENCHClayton E. Frederickson · June 7, 1898Patent drawing of a pipe wrench with a long curved handle, a fixed hook-shaped jaw at the lower end, and a pivoting outer jaw with teeth that closes around a pipe, shown in four figures illustrating open and closed positions.PIPE-WRENCH.David C. Johnston · September 6, 1898