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US Patent: 639,243
Wrench
Patentee:
Frank C. Jaeger (exact or similar names) - Belview, MN

USPTO Classifications:
81/124.4, 81/63

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Harry Kilgore
F. D. Merchant
A. O. Gimmestad
James Bunn

Patent Dates:
Applied: Jul. 31, 1899
Granted: Dec. 19, 1899

Patent Pictures:
Frank C. Jaeger patent Dec. 19, 1899
USPTO (New site tip)
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Description:
Reversible ratchet; the ratchet head and pawl have opposite facing teeth. The position of a spring attached to the pivot for the pawl determines the direction of the ratchet action. The handle can swing transversely in relation to the head. The sockets fit two different sizes of square nuts on each side.

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