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US Patent: 1,506,484
Diestock
Patentee:
Louis F. Hart - Cleveland, OH

USPTO Classifications:
408/114, 408/176

Tool Categories:
industrial tools : taps and dies
wrenches : tap wrenches and die stocks
metalworking tools : tap and die holders
metalworking tools : taps and dies

Assignees:
Hart Manufacturing Co. - Cleveland, OH

Manufacturer:
Hart Manufacturing Co. - Cleveland, OH

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 27, 1921
Granted: Aug. 26, 1924

Patent Pictures:
USPTO pdf tiff
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Description:
Improvements to the Hart "Buckeye" die stock, patent 1,146,871, to allow cutting non-tapered threads such as on bolts, and to allow threading "close up to the head of the bolt or a shoulder thereon."

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