US Patent: 2,254,289
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| Sheet Metal Working Machine
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Patentee:
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| John Jensen (exact or similar names) - Rockford, Winnebago County, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 14, 1939 |
| Granted: |
Sep. 02, 1941 |
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Joel Havens
"Vintage Machinery" entry for Roper-Whitney Co.
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Description: |
| Claim:
In a sheet metal edge flanging machine the combination of an anvil roller presenting opposite frusto-conical end faces merging in an an peripheral edge on the roller, a hammer movable in a path passing from said roller edge toward the axis thereof and generally paralleling in closely spaced relation the adjacent roller face, a cooperating clamping roller arranged in opposed relation to the other face and said anvil roller and power actuated means for rotating at least one of said rollers intermittently in timed relation to the active strokes of said hammer in said path past said anvil roller face. |
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