Radial roller head

Details Radial roller head Radial roller head

1998-01-15

1999-07-20

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

Tool orbiting or rotating about an axis

72104, B21H 304

Patent

active

059243171

ABSTRACT:
The invention discloses a radial roller head with rollers arranged in a holder over the same angular distances and distributed at axial distances about the rolling axis. The roller surfaces of the rollers have over the circumference a spiral-shaped increasing course opposed to their rotational direction. There is a toothed gearing coupling the rollers to one another, a locking for the rollers, which after each complete roller revolution automatically latches and can be released before each rolling procedure, a stop which can be brought into engagement with the subject on the introduction movement of a subject between the rollers, and which releases the locking; and a drive means which after the releasing of the locking rotates the rollers until the bearing of the roller surface on the subject in order subsequently by way of friction to be further rotated with this subject. The roller head, with respect to an axially fixed bearing component arranged on the side opposite to the roller in the roller direction, is axially displaceably mounted against a pretension spring, and between the bearing component and the locking in the roller, a release device in the form of a gear arrangement is provided by way of which the locking is only released when the roller head is moved about an operating stroke onto the bearing component by the subject abutting against the stop on the introduction movement.

REFERENCES:
patent: 3352139 (1967-11-01), Cummings
patent: 3913365 (1975-10-01), Kruse

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