Ram drive chuck

Details Ram drive chuck Ram drive chuck

1981-05-18

1984-03-27

Briggs, William R.

Metal working

Plural diverse manufacturing apparatus including means for...

Attachment

242 684, 279 9R, B23P 500, B65H 1702

Patent

active

044385544

ABSTRACT:
New and improved ram drive chuck is provided and comprises workpiece driving means which are moveable between an extended position thereof relative to an appropriately positioned workpiece wherein the workpiece driving means are operable to drivingly engage, support and rotate the workpiece, and a retracted workpiece driving means position relative to the appropriately positioned workpiece wherein the workpiece driving means are disengaged from the workpiece. Means to positively disengage the workpiece driving means from the workpiece upon movement of the former into the retracted position thereof are operable attendant the drive of a specified form of workpiece.

REFERENCES:
patent: 778979 (1905-01-01), Larson
patent: 1378305 (1921-05-01), Wood et al.
patent: 1904913 (1933-04-01), Adams, Jr.
patent: 2252353 (1941-08-01), Pierce
patent: 2759679 (1956-08-01), Torresgrossa et al.
patent: 2968448 (1961-01-01), Drum
patent: 4105171 (1978-08-01), Sciola et al.

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