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US Patent: 262,211
Chuck for Centering and Securing Pulleys to Shafts
Patentee:
James Emerson (exact or similar names) - Willimansett, Hampden County, MA

USPTO Classifications:
403/261

Tool Categories:
metalworking tools : mandrels and arbors
work holding : vises : chucks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 02, 1882
Granted: Aug. 08, 1882

Patent Pictures:
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