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US Patent: 1,406,262
Combination Tool
Tool for Laying Out Keyways
Patentee:
Max Richard Kronert (exact or similar names) - Chicago, IL

USPTO Classifications:
33/374, 33/451, 33/632

Tool Categories:
layout tools : special purpose gauges
layout tools : levels
layout tools : squares

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 09, 1920
Granted: Feb. 14, 1922

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Ralph Brendler
Description:
This is a specialized tool for positioning a milling cutter for cutting the keyway in a round shaft. It also features a built in level and square.

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