US Patent: 1,056,670 - Expansion Bit


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 1,056,670

Expansion Bit

Patentee:

Louis S. Hayden (exact or similar names) - Essex, CT

USPTO Classifications:

408/194, 408/195, 408/212, 408/213

Tool Categories:

woodworking tools : hand drills : drill bits

Assignees:

Connecticut Valley Mfg. Co. - Essex, CT

Manufacturer:

Millers Falls Co. - Greenfield, MA

Witnesses:

Walter H. Wright

Gordon L. Tucker

Patent Dates:
Applied:	May 24, 1912
Granted:	Mar. 18, 1913

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Russ Allen.
"Vintage Machinery" entry for Millers Falls Co.

Description:

An adjusting screw is located in the clamp plate engaging teeth on the edge of the cutting blade. Sold by Millers Falls as their No 151 Expansive Bit.