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US Patent: 144,036
Wrenches
Patentee:
Eliphalet S. Scripture (exact or similar names) - Brooklyn, NY

USPTO Classifications:
81/146, 81/158

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Harry King
W. W. Dodge
Wm. E. Green
Theo. E. Green

Patent Dates:
Applied: May 02, 1873
Granted: Oct. 28, 1873

Patent Pictures:
Eliphalet S. Scripture Pat. Oct. 28, 1873
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Description:
The combination quick & screw adjust uses a tension spring on the back of the movable jaw combined with wedge-shaped threads on the adjusting screw and rack teeth on the shank.

Corresponding Canadian patent no. CA-4,062 was issued November 18, 1874.

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