US Patent: 3,349,521 - Device for Holding Rotary Cutting Tools


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US Patent: 3,349,521

Device for Holding Rotary Cutting Tools

Patentee:

Andrew J. Bryant (exact or similar names) - Bristol, Bucks County, PA

USPTO Classifications:

451/374, 451/394

Tool Categories:

metalworking tools : tap and die holders

metalworking machines : grinders : grinding fixtures

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Jun. 21, 1965
Granted:	Oct. 31, 1967

Patent Pictures:

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Description:

Original application 07 Apr., 1961, now Patent No. 3,190,046, dated 22 June, 1965. Divided and this application 21 June, 1965.

Claim:

This invention relates to rotary cutting tools and devices for holding same, and in particular, to a new and improved rotary cutting tool, tap, or the like, the manufacture and sharpening thereof, and a new and improved device or workholder adapted to hold such a rotary cutting tool during the manufacture thereof or during the sharpening or grinding operation thereon.