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US Patent: 481,690
Ratchet Wrench
Patentee:
Pitre Cossette - Crystal Falls, MI

USPTO Classifications:
81/124.6, 81/177.85, 81/62

Tool Categories:
wrenches : ratchet wrenches

Assignees:
Pitre Cossette - Crystal Falls, MI
Clifford Terrian - Crystal Falls, MI

Manufacturer:
Not known to have been produced

Witnesses:
M. H. Moriarty
J. E. Bower
Chas A. Ford
H. P. Riley

Patent Dates:
Applied: Jun. 03, 1892
Granted: Aug. 30, 1892

Patent Pictures:
Pitre Cossette patent August 30, 1892
USPTO pdf tiff
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Description:
An improvement to patent no. 416,154 (Dec. 3, 1889). The sockets are interchangeable. One socket of each pair has a long shank with a square bearing surface and hole for a retaining pin. The other socket of each pair has a square frame with a matching hole for the retaining pin. There are double sets of ratchet teeth and pawls. A cam ring on the shank can disengage either pair of pawls.

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