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US Patent: 395,865
Ratchet Wrench
Patentee:
Charles E. Abrams (exact or similar names) - Chatham, NY

USPTO Classifications:
81/63.1

Tool Categories:
wrenches : ratchet wrenches
wrenches : tap wrenches and die stocks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. Ruppert
E. C. Hough
John H. Kelso
John B. Traver

Patent Dates:
Applied: Sep. 11, 1888
Granted: Jan. 08, 1889

Patent Pictures:
Charles E. Abrams patent January 8, 1889
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Description:
A slide with a central wedge cam can retract either of two spring-tensioned sliding pawls for the reversible ratchet action. When both pawls are extended, the ratchet is "locked."

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