US Patent: 3,911,540 - Tool Interchange System With Break Away Shoes


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US Patent: 3,911,540

Tool Interchange System With Break Away Shoes

Patentees:

Earl E. Johnson (exact or similar names) - North Fond du Lac, Fond du Lac County, WI

Calvin Gladoske (exact or similar names) - North Fond du Lac, Fond du Lac County, WI

USPTO Classifications:

483/2, 483/59, 483/7

Tool Categories:

metalworking machines : metalworking machine mechanisms : workpiece changers and storage mechanisms

Assignees:

Giddings & Lewis, Inc. - Fond Du Lac, Fond Du Lac County, WI

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Mar. 16, 1973
Granted:	Oct. 14, 1975

Patent Pictures:

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

Description:

Abstract:

A machine tool having automatic tool changing apparatus including a tool storage magazine formed with a plurality of circumferentially spaced socket recesses each having a generally U-shaped tool support shoe that is adapted to be broken away from the magazine to prevent damage to the tool changing apparatus in the event of unintended overtravel of the tool transfer mechanism at the magazine during a tool change operation. Limit switch means are provided for interrupting the feed drive of the machine in the event of such