DE Patent: 656,423 - An Apparatus for Finishing of Pre-Cut Spur Gears with Straight or Helically Extending Teeth by Rolling on a Tool, which is Designed as a Rack or as a Spur Gear


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DE Patent: DE-656,423

An Apparatus for Finishing of Pre-Cut Spur Gears with Straight or Helically Extending Teeth by Rolling on a Tool, which is Designed as a Rack or as a Spur Gear

Patentee:

Michigan Tool Co. (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:

Tool Categories:

metalworking machines : gear making machines

Assignees:

Michigan Tool Co. - Detroit, Wayne County, MI

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Jul. 31, 1931
Granted:	Feb. 08, 1938

Patent Pictures:

Espacenet patent
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Michigan Tool Co.