US Patent: 216,023 - Improvement in Boring and Reaming Tools


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US Patent: 216,023

Improvement in Boring and Reaming Tools

Patentee:

Richard T. Crane (exact or similar names) - Chicago, IL

USPTO Classifications:

408/214, 408/218, 408/223, 408/233, 470/199, 81/441

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:

E. A. West

O. W. Bond

Patent Dates:
Applied:	Feb. 27, 1879
Granted:	Jun. 03, 1879

Patent Pictures:

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Description:

Designed to bore and ream a hole of the appropriate size for a "metallic bush" (tap) for beer barrels. Also, it serves as a tap for threading on the bush, as well as a countersink to provide a seat for the bush's flange.