US Patent: 4,357,122 - Inserted Blade End Mill


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US Patent: 4,357,122

Inserted Blade End Mill

Patentee:

Thomas Hollis, Jr. (exact or similar names) - Peterborough, Hillsborough County, NH

USPTO Classifications:

407/42, 407/51, 407/63

Tool Categories:

metalworking machines : milling machines : milling machine cutters

Assignees:

O. K. Tool Co., Inc. - Milford, Hillsborough County, NH

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Dec. 17, 1980
Granted:	Nov. 02, 1982

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for O.K. Tool Co., Inc.

Description:

Abstract:

In inserted blade rotary end mills having tapered blades inserted in axially extending tapered sockets. The improvement of providing longitudinal interfitting serrations on opposed surfaces of both the inserted blades and sockets to prevent twisting of the blades in the sockets.