US Patent: 2,857,166 - Quick Change Tool Holder


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US Patent: 2,857,166

Quick Change Tool Holder

Patentees:

Harry Conn (exact or similar names) - Chicago, Cook County, IL

Aldo D. Tognetti (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:

279/83, 279/904

Tool Categories:

metalworking machines : metalworking machine tool holders

metalworking machines : drilling and boring : drilling and boring tool holders

Assignees:

Scully-Jones & Co. - Chicago, Cook County, IL

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Nov. 08, 1956
Granted:	Oct. 21, 1958

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Scully-Jones & Co.

Description:

Claim:

In a quick-change tool holder, the combination of a tool holding block, a chuck body mounted in the block for longitudinal movement, an adapter adjustably mounted in the body for longitudinal movement, and means whereby the body may be inserted and removed from the end of the block opposite the one from which the cutting tool extends and means for holding the chuck body in adjusted position.