Title:
打ち抜かれ屈曲した支持リングを有するばねパッケージ
Document Type and Number:
Japanese Patent JP7021169
Kind Code:
B2
Abstract:
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.
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Inventors:
Rider, Seidel
Dotter, peter
Dotter, peter
Application Number:
JP2019210408A
Publication Date:
February 16, 2022
Filing Date:
November 21, 2019
Export Citation:
Assignee:
Sheldel Innotek Forsungs-Und Entvik Lungs-Gamebha
International Classes:
F16F3/04; B21D28/00; B21D53/88; F16D13/69; F16F1/12
Domestic Patent References:
| JP62147137A | ||||
| JP5087348U | ||||
| JP2003247579A | ||||
| JP61137139U |
Foreign References:
| WO2017204098A1 | ||||
| DE102006028512A1 |
Attorney, Agent or Firm:
Takewa International Patent Office
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