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US Patent: 2,408,521
Broaching machine
Patentee:
Francis J. Lapointe (exact or similar names) - Ann Arbor, MI

USPTO Classifications:
409/249, 409/261, 409/268

Tool Categories:
metalworking machines : broaching machines

Assignees:
American Broach & Machine Co. - Ann Arbor, MI

Manufacturer:
American Broach & Machine Co. - Ann Arbor, MI

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 10, 1942
Granted: Oct. 01, 1946

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for American Broach & Machine Co.
Description:
"One object of the invention is to provide a broaching machine in which a series of broaches is employed in a manner to secure an unusually smooth and accurate results. Another object of the invention is to provide a machine in which a series of broaches is employed to complete a piece of work and in which a rack or support is arranged to travel with the moving element of the machine so as to be conveniently positioned at all times for presenting the broaches when they are wanted for use in the machine, and for receiving the broaches as they are removed therefrom. A further object of the invention is to provide a special arrangement for providing coolant..."

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