US 7,472,538 B2
Method for producing rollers and sleeves for chains
Joachim Spörrer, Erlangen (Germany); Olaf Donath, Herzogenaurath (Germany); Georg Backert, Herzogenaurach (Germany); Michael Dotterweich, Herzogenaurach (Germany); Alexander Fichtner, Herzogenaurach (Germany); and German Lang, Herzogenaurach (Germany)
Assigned to Schaeffler KG, Herzogenaurach (Germany)
Filed on Jul. 18, 2007, as Appl. No. 11/880,102.
Claims priority of provisional application 60/833424, filed on Jul. 26, 2006.
Claims priority of application No. 10 2006 033 735 (DE), filed on Jul. 21, 2006.
Prior Publication US 2008/0072563 A1, Mar. 27, 2008
Int. Cl. B21L 9/02 (2006.01); F16G 13/06 (2006.01)
U.S. Cl. 59—4  [59/8; 59/35.1; 59/78; 29/898.1; 384/283] 3 Claims
OG exemplary drawing
 
1. A method for producing rollers and sleeves for roller chains and sleeve-type chains, including the steps of: providing a sheet metal material; deep-drawing components in the form of at least one of rollers and sleeves from the sheet metal material; separating the deep-drawn components from the sheet metal material; and pressing the separated components into openings in the sheet metal material that result from the separation.