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Patent number:
Patent Date:
US Patent: 226,066
Emery-wheel
Patentee:
Gilbert Hart (
exact
or
similar
names) - Detroit, MI
USPTO Classifications:
451/546
,
51/309
Tool Categories:
industrial tools
:
grinding wheels
metalworking machines
:
grinders
:
sharpening machines
:
grinding wheels
Assignees:
None
Manufacturer:
Hart Emery Wheel Co.
- Hamilton, ON Canada
Witnesses:
James A. Rutherford
James L. Norris
Patent Dates:
Applied:
Mar. 05, 1880
Granted:
Mar. 30, 1880
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Hart Emery Wheel Co.
Description:
The invention consists of a grinding wheel with short lengths of metal wire admixed, which improved the strength of the wheel.
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