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US Patent: 538,159
Hack Saw Frame
Patentee:
Joseph Fish - Chicago, IL

USPTO Classifications:
30/510

Tool Categories:
metalworking tools : hacksaws
combination tools
wrenches : alligator wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. S. Elliott
E. W. Johnson
L. E. McCallen
H. H. Van Evra

Patent Dates:
Applied: Jan. 10, 1895
Granted: Apr. 23, 1895

Patent Pictures:
Joseph Fish patent April 23, 1895
USPTO pdf tiff
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Description:
The frame provides means for tightening the blade and rotating the blade's angle in relation to the plane of the frame. The tightening mechanism is a pawl and rack. The end of the frame includes a small alligator wrench.

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