US Patent: 2,529,205 
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| Machine tool chuck
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	        Patentee:
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 | William H. Weimer (exact or similar names) - North Prairie, WI |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Sep. 18, 1942 | 
 
| Granted: | 
Nov. 07, 1950 | 
 
 
 
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                        Jeff Joslin Vintage Machinery entry for Davis & Thompson Co. 
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        Description: |  
| This chuck is intended for holding cylindrical workpieces, especially tubes, where even pressure is required to firmly clamp without distorting the workpiece. |  
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