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US Patent: 114,703
Improvement in Wrenches
Patentee:
Joseph N. Newell (exact or similar names) - Adrian, MI

USPTO Classifications:
81/128, 81/175

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Frank Harwood
C. B. Johnson
J. E. Hutchinson
C. L. Evert

Patent Dates:
Applied: Oct. 04, 1870
Granted: May 09, 1871
Antedated: Apr. 29, 1871

Patent Pictures:
Joseph N. Newell Pat. April 29, 1871
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Description:
The adjusting screw passes through a pivoting block, which enables the sliding jaw to be opened slightly when the adjusting knob is pushed in toward the main bar. The spring tends to move the adjustable jaw toward the fixed jaw.

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