Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Patent
1977-10-28
1979-03-20
Larson, Lowell A.
Metal deforming
By use of tool acting during relative rotation between tool...
During rotation of work
72444, 74 16, B21D 3704
Patent
active
041447336
ABSTRACT:
A portable pipe grooving apparatus includes a pair of mating rollers mounted upon a frame so as to be radially adjustable with respect to each other. One of the mating rollers is connected to a rotatable shaft which extends rearwardly from the apparatus so as to enable the apparatus to be coupled with a drive means which is removably associable with the shaft for rotating the one roller. The frame further includes a coupling means for detachably connecting the frame to the drive mechanism by projections carried by the drive means slidably engaging within annular socket elements, which socket elements also serve as supporting legs for the frame.
REFERENCES:
patent: 2024803 (1935-12-01), Nelson
patent: 2555723 (1951-06-01), Woods
patent: 2603975 (1952-07-01), Shoffner
patent: 3541826 (1970-11-01), Halliburton
patent: 3662414 (1972-05-01), Behnke
patent: 3903722 (1975-09-01), Thau, Jr. et al.
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