Device for narrowing the breadth of a sheet spring material in a

Details Device for narrowing the breadth of a sheet spring material in a Device for narrowing the breadth of a sheet spring material in a

1979-05-30

1981-09-22

Mehr, Milton S.

Metal deforming

With use of control means energized in response to activator...

Metal deforming by use of roller or roller-like tool element

72240, 72205, B21B 3714, B21B 120

Patent

active

042902886

ABSTRACT:
A device for narrowing the breadth of a sheet spring material in an apparatus for manufacturing a taper leaf spring by which the sheet spring is previously subjected to breadth narrowing operation with edge rollers before taper rolling.
A shape for narrowing the breadth of a sheet spring material is calculated so that a product after rolling may be within the tolerance. Then, a shape of template thus obtained is detected by a pair of detecting rollers to regulate the interval between the work rollers automatically before taper rolling.

REFERENCES:
patent: 2655823 (1953-10-01), Cozzo
patent: 3081653 (1963-03-01), Kincaid
patent: 3793868 (1974-02-01), Wilson

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