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US Patent: 2,219,245
Crankpin Turning Tool
Patentee:
Isaac D. Zitzerman (exact or similar names) - Kansas City, Jackson County, MO

USPTO Classifications:
82/107

Tool Categories:
metalworking machines : metal lathes : lathe tool holders and tool posts
metalworking machines : metalworking machine tool holders
metalworking machines : metal lathes : lathe tools
metalworking machines : metal lathes : crank pin lathes

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 17, 1938
Granted: Oct. 22, 1940

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
Description:
Claim:

A device of the character described including a pair of mating sections having arcuate inner faces, adjusting means connecting the sections about a cylindrical object to be surfaced, a pair of seats in the arcuate face of one of the sections arranged to engage the cylindrical surface of said object, a cutter carried by the other section and located diametrically opposite one of the seats, a plunger slidable in the section having the cutter, a bar carried by the plunger and provided with an edge portion for contact with said cylindrical surface, a spring engaging the plunger and urging the bar toward said seats to retain said seats in contact with the cylindrical surface acted upon by the cutter, and a screw having threaded connection with the plunger.

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