Method and apparatus for forming a leaf spring eye

Details Method and apparatus for forming a leaf spring eye Method and apparatus for forming a leaf spring eye

1996-04-30

1998-03-10

Jones, David

Metal deforming

Process

Deforming sheet metal

72294, 72381, 72370, 72 71, 140104, B21D 1912

Patent

active

057248516

ABSTRACT:
Apparatus (100) and method are provided for forming an eye at the end of a heated leaf spring blank (2). Apparatus (100) includes a forming plate (16) operative to move angularly downwardly against a cantilevered portion (10) of blank (2) and roll it about a retractable rotary eye pin (5) to form the eye. Apparatus (100) includes neutralizing the force created by forming plate (16) against blank (2) during the rolling operation and further preferably includes a scarf blade (14) operative to move angularly to scarf or shape the end of portion (10) prior to the rolling operation.

REFERENCES:
patent: 1215332 (1917-02-01), Berg
patent: 1339443 (1920-05-01), Evans
patent: 3453855 (1969-07-01), Morita
patent: 3967487 (1976-07-01), Stout
patent: 5129671 (1992-07-01), Walton
Oswald A. Ludwig, "METALWORK", pp. 290 and 291, 1947.

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