Spring package with stamped and bent supporting ring
AssigneeScherdel Innotec Forschungs-Und Entwicklungs-GmbH
InventorsPeter Doetterl, Franz Andritzky, Alexander Schraml
Life of this patent
Estimating the term…
Loading patent…
AssigneeScherdel Innotec Forschungs-Und Entwicklungs-GmbH
InventorsPeter Doetterl, Franz Andritzky, Alexander Schraml
Estimating the term…
The present invention relates to a spring package (2) for use in a clutch and/or in a transmission, comprising a first supporting ring (4), a second supporting ring (6) which is arranged spaced apart (parallel) from the first supporting ring (4) in the axial direction, and a plurality of coil springs (8) arranged between the first supporting ring (4) and the second supporting ring (6) in distributed manner across the circumference thereof, wherein at least one of the supporting rings (4, 6) is formed from a sheet-metal strip (22) which is stamped and then bent into a ring shape and the ends of which are permanently connected to each other. Furthermore, the invention also relates to a method for producing a supporting ring (4, 6) for a spring package (2) according to the invention, comprising the following steps: stamping a sheet-metal strip (22) of predetermined length (l) and predetermined width (b), introducing spring holders (10; 68), introducing impressions on a longitudinal edge (26) of the sheet-metal strip (22) while forming a ring shape; and connecting the two axial ends.
A spring package (2) for use in a clutch and/or in a transmission, comprising:
Dependencies are inferred from the claim text.