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US Patent: 3,000,469
Rotary work holder
Patentee:
Bernard F. Froehlich - Colerain Township, OH

USPTO Classifications:
188/72.7, 408/90, 74/405, 74/813R

Tool Categories:
metalworking machines : rotary tables

Assignees:
Troyke Manufacturing Co. - Sharonville, OH

Manufacturer:
Troyke Manufacturing Co. - Cincinnati, OH

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 17, 1958
Granted: Sep. 19, 1961

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
Seen on a Model R-21 rotary table from Troyke Manufacturing Co., along with patents 2,679,787 and 3,100,636.

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