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US Patent: 1,068,225
Drop-hammer roll-release mechanism
Patentee:
Harry E. Derbyshire (exact or similar names) - Chambersburg, PA

USPTO Classifications:
72/439

Tool Categories:
metalworking machines : forging machines : drop hammers

Assignees:
Chambersburg Engineering Co. - Chambersburg, PA

Manufacturer:
Chambersburg Engineering Co. - Chambersburg, PA

Witnesses:
William H. Freet
Sarah T. Frommeyer

Patent Dates:
Applied: Nov. 01, 1911
Granted: Jul. 22, 1913

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Chambersburg Engineering Co.

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