The Antique Wrench Patent Archive

Every grip the nineteenth century took on a nut

Pawl mechanism

Patent drawing of a ratchet wrench showing an oval-handled top view with a round socket head containing hexagonal opening and ratchet teeth, alongside a side view of the elongated stock with a removable socket and screw catch mechanism.IMPROVEMENT IN RATCHET-WRENCHESWilliam Pirsson · May 29, 1866Technical 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 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 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 an 1891 ratchet wrench showing a bulbous wooden handle, a bifurcated ratchet handle with pawl, a cylindrical shank, and adjustable sliding jaws with a milled nut for tightening, alongside a detail view of the pawl rod assembly.WRENCH.Charles H. Driver · April 7, 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, 1891