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US Patent: 658,618
Wrench
Patentee:
Fred A. Chellis (exact or similar names) - Portland, ME

USPTO Classifications:
81/30, 81/63.2

Tool Categories:
wrenches : ratchet wrenches

Assignees:
Clinton J. Stone - Portland, ME

Manufacturer:
Not known to have been produced

Witnesses:
B. G. Foster
Edwin G. McKee
Barry Silverman
Charles E. Perkins

Patent Dates:
Applied: Nov. 18, 1899
Granted: Sep. 25, 1900

Patent Pictures:
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Report data errors or omissions to steward Stan Schulz
Description:
The ratchet has a swinging outer end with a spring catch. This is to allow for interchangeable ratchet heads with different size openings. The stop for the ratchet pawl is also the means for rotating it a half turn to reverse the ratchet action.

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