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US Patent: 626,604
Mechanical Device
Patentee:
Francis Kimmel Gaff - Hamilton, OH

USPTO Classifications:
269/167, 269/196, 269/221, 269/238

Tool Categories:
work holding : clamps : bar and pipe clamps

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Donn Twitchell
C. R. Ferguson
Israel Williams
W. C. McKemy

Patent Dates:
Applied: Oct. 17, 1898
Granted: Jun. 06, 1899

Patent Pictures:
Francis K. Gaff patent June 6, 1899
USPTO pdf tiff
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Description:
The patent is for a cam lever and yoke mechanism which clamps a movable jaw to a bar; the drawings show such a mechanism on the movable jaw of a bar clamp.

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