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US Patent: 609,324
Wrench
Patentee:
John H. Atkinson (exact or similar names) - Winnebago, MN

USPTO Classifications:
81/55, 81/62

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Paul Jobst
Theo. G. Hooster
R. E. Crandall
J. D. H. Painter

Patent Dates:
Applied: Dec. 15, 1897
Granted: Aug. 16, 1898

Patent Pictures:
John H. Atkinson patent August 16, 1898
USPTO (New site tip)
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Description:
Reversible ratchet socket for railroad fish plate bolts; the tool includes a spring clamp to hold the socket in place on the nut, and prevent the bolt from turning.

The ratchet action uses two sets of teeth facing in opposite directions, and a pair of pivoting pawls which also face in opposite directions.

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