US Patent: 553,059
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Wrench Solid Bar Monkey Wrench
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Patentee:
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Robert Cosmos Ellrich (exact or similar names) - Southington, CT |
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Patent Dates:
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Applied: |
Nov. 02, 1895 |
Granted: |
Jan. 14, 1896 |
Patent Pictures:
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Robert C. Ellrich patent January 14, 1896 |
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Stan Schulz
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Description: |
The main shank and base for the adjusting screw are in one piece. The shank is notched to fit around the nut portion of the adjusting screw. The movable jaw is formed of a second piece with the "back" side opened; it is closed around the shank and pinned or closed with a clamping screw.
The patent was used for the SOLID BAR and SOLID STEEL nut wrenches produced by Peck, Stow and Wilcox, and also marketed under such brand names as KEEN KUTTER, etc.
See also Pardon A. Whitney's Oct. 15, 1901 patents no. 684,488 and 684,489 for forging and forming patents for movable jaws like those found on this style of wrench. |
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