US Patent: 1,700,967
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| Metal Working Machinery
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Patentee:
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| Hans Baerbalck (exact or similar names) - Cincinnati, Hamilton County, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 20, 1926 |
| Granted: |
Feb. 05, 1929 |
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Joel Havens
"Vintage Machinery" entry for American Tool Works Co.
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Description: |
| Claim:
My invention relates to metal working machinery, especially to such machinery employing an adjustable crank for operating a reciprocating element, such as the tool-ram of a metal shaping machine, and my invention is exemplified as employed in connection with such use. In such machinery the crank of the power transmitting crank member is adjustable toward and from the axis of rotation of the crank member in order to adjust the stroke of reciprocation of the tool-ram. |
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