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US Patent: 154,445
Improvement in Hose-Spanners
Patentee:
David U. Beecher - Stoneham, MA

USPTO Classifications:
81/120, 81/176.1

Tool Categories:
wrenches : firehose and hydrant wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. R. Beatty
R. C. Huntress
Robert Everett
George E. Upham

Patent Dates:
Applied: Jan. 31, 1874
Granted: Aug. 25, 1874

Patent Pictures:
David U. Beecher Pat. Aug. 25, 1874
USPTO pdf tiff
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Description:
The jaws have key-hole shaped notches with openings facing in opposite directions, enabling the wrench to tighten or loosen couplings without reversing the wrench.

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