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US Patent: 628,655
Saw-sharpening machine
Patentee:
Lars Larsen Filstrup (exact or similar names) - Chicago, IL

USPTO Classifications:
48/102R, 76/41

Tool Categories:
metalworking machines : grinders : sharpening machines : saw sharpening machines

Assignees:
Henry P. Schofield - Chicago, IL
Lars Larsen Filstrup - Chicago, IL

Manufacturer:
Covel Mfg. Co. - Chicago, IL

Witnesses:
R. T. Spencer
Arthur Dyrenforth

Patent Dates:
Applied: Apr. 10, 1899
Granted: Jul. 11, 1899

Patent Pictures:
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Vintage Machinery entry for Covel Mfg. Co.
Description:
Improvements to patent 574,855, reissued as RE11,733. The improvements are to the mechanism that inclines the driving pulley to keep it aligned with the grinding-wheel pulley as its inclination changees.

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