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US Patent: 569,583
Thill-Coupling Jack
Improvement in Means For Inserting the Eye of a Carriage Shaft or Pole Into The Shackle
Patentee:
John B. Maines (exact or similar names) - Providence, RI

USPTO Classifications:
254/28.5

Tool Categories:
wrenches : auxiliary wrenches

Assignees:
David J. Barr - Providence, RI
John B. Maines - Providence, RI

Manufacturer:
Not known to have been produced

Witnesses:
James W. Burman
Harry J. Garceau
Socrates Scholfield

Patent Dates:
Applied: Dec. 05, 1895
Granted: Oct. 13, 1896

Patent Pictures:
John B. Maines patent October 13, 1896
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Description:
The patent describes options for a lever and hook. The open end wrench on the end of the handle shown in the drawings is mentioned in the specifications. They also note the rectangular openings in the "hook" could serve as wrenches.

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