US Patent: 982,483
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| Vise
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Patentee:
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| William S. DuCharme (exact or similar names) - Johnstown, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 21, 1910 |
| Granted: |
Jan. 24, 1911 |
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Patent Pictures:
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Patent 982,483 - edited drawing |
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Stan Schulz
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Description: |
| Quick adjust pipe vise - the clamping lever has "interrupted threads" to provide final clamping pressure and hold adjustment.
The pipe vise was noted in mentions of DuCharme's short-lived companies at Johnstown, PA and Cambridge, OH ca. 1910-1911.
An EFFICIENT VISE & WRENCH CO. (CLEVELAND) PAT. APPL'D vise roughly matching this patent was introduced a decade later when DuCharme was in Cleveland. |
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