US Patent: 659,125 - Combination Reamer, Tap, and Countersink


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US Patent: 659,125

Combination Reamer, Tap, and Countersink

Patentee:

Carl Boentgen (exact or similar names) - Astoria, OR

USPTO Classifications:

408/118, 408/214

Tool Categories:

woodworking tools : hand drills : drill bits : tapered reamers

woodworking tools : hand drills : drill bits : countersinks

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

J. P. C. Upshur

John H. Smith

Patent Dates:
Applied:	Mar. 22, 1900
Granted:	Oct. 02, 1900

Patent Pictures:

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Description:

The reamer and tap are turned into the barrel stave with a wrench, or similar tool, then used as a post around which the countersink is worked. Used to prepare for "bushings" when tapping beer barrels.