US Patent: RE18,832 - Tool attachment device


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US Patent: RE18,832

Tool attachment device

Patentee:

Ewald A. Arp (exact or similar names) - Minneapolis, MN

USPTO Classifications:

408/234, 408/79

Tool Categories:

specialty tools : automotive tools

trade specific : vehicle repairer : vehicle mechanic

metalworking tools : boring bars

Assignees:

Van Norman Machine Tool Co. - Springfield, MA

Manufacturer:

Van Norman Machine Tool Co. - Springfield, MA

Witnesses:

Unknown

Patent Dates:
Applied:	Nov. 16, 1932
Granted:	May 16, 1933

Reissue Information:
Reissue of 1,881,993 (Oct. 11, 1932)

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Van Norman Machine Tool Co.

Description:

Patent number seen on a Van Norman "Per-Fect-O" 77/S4 boring bar, along with patents 1,868,440, 1,906,241, and 1,954,034.

This invention...relates to the art of attaching portable cutting or finishing tools... In its preferred application the device will serve as a machine base for attaching cylinder boring or finishing tools to the engine block of multiple cylinder engines."