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US Patent: 24,807
Bit-stock and wrench
Wimble or Bit-Stock Wrench
Benjamin Brunson Beers - New Fairfield, CT
Lewis S. Hoyt - New Fairfield, CT

USPTO Classifications:
81/112, 81/185.1, 81/73

Tool Categories:
wrenches : brace wrenches
woodworking tools : braces : brace chucks
wrenches : axle nut wrenches


Hoyt & Beers - New Fairfield, CT

Marshall Treadwell
Gerome Chase

Patent Dates:
Granted: Jul. 19, 1859

Patent Pictures: [ 1 | 2 ]
Lewis S. Hoyt and B.B. Beers patent July 19, 1859
USPTO pdf tiff
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Brace wrench with jaw opening adjusted by sliding loop. The jaw would also adjust tight enough to grip a drill bit tang. The specifications mention an alternate thumb screw on the sliding loop to hold the adjustment -- a known example of the tool does not have this feature.

According to Ken Cope's "American Wrench Makers 1830-1930," Hoyt & Beers of New Fairfield, CT made the wrench.

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