Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Patent
1977-07-21
1978-10-10
Larson, Lowell A.
Metal deforming
By use of tool acting during relative rotation between tool...
During rotation of work
29129, 291484D, B21B 3102
Patent
active
041189655
ABSTRACT:
An assembly is disclosed for quick and easy mounting and removal of a circular die in coaxial surrounding relation to a machine spindle and which features a one-piece diametrically expandable sleeve concentrically interposed in wedged engagement between the spindle and die and a bi-directional displacement means which includes a jack plate in overlying stacked relation to the spindle for driving the sleeve in opposite axial directions toward and away from an operating position, the operating position of the sleeve being in wedged engagement between the spindle and die to remove clearances therebetween and to promote concentricity of the circular die.
REFERENCES:
patent: 2835518 (1958-05-01), Naab
patent: 3803691 (1974-04-01), Geese et al.
Larson Lowell A.
The Hartford Special Machinery Company
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