US Patent: 130,488 - Improvement in Reamers


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US Patent: 130,488

Improvement in Reamers

Patentee:

Rhodolphus J. Croacher (exact or similar names) - Little Compton, RI

USPTO Classifications:

408/195, 408/208

Tool Categories:

woodworking tools : hand drills : drill bits : tapered reamers

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Henry M. Tompkins

Anna B. Tompkins

Patent Dates:
Granted:	Aug. 13, 1872

Patent Pictures:

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Description:

The reamer is made of two half-cones, each having a cutting/reaming edge. Croacher shows two versions - a longer one without an auger tip, the shorter version accommodating one.