Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first  previous  back  next  last
US Patent: 3,369,820
Power Chuck
Patentees:
Robert A. Lehmkuhl (exact or similar names) - Appleton, Outagamie County, WI, WI
Robert E. Reed (exact or similar names) - Kaukanuna, Outagamie County, WI

USPTO Classifications:
279/103, 279/141, 279/4.06, 279/74, 279/900, 409/232

Tool Categories:
metalworking machines : milling machines : milling machine accessories

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 28, 1965
Granted: Feb. 20, 1968

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:
Original application filed 19 Sept., 1962. Divided and this application filed 28 Jan., 1965. This application is a division of application filed 19 Sept., 1962, now abandoned in favor of continuation application thereof, filed 22 Nov., 1965, now Patent No. 3,332,142.

Claim:

This invention relates to machine tools and more particularly to machine tools with automatic tool changing apparatus wherein a spindle and a tool assembly are provided with mating means for effecting positive driving engagement there between.

Copyright © 2002-2024 - DATAMP