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US 2007/0183867 A1Published application
Joined spring washer and method of producing same
OwnerBernfried Hesselmann, Ulrich Roth +2inventors
InventorsBernfried Hesselmann, Ulrich Roth, Harold Brenner, Andreas Rinsdorf
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Abstract
An axially deformable spring washer bent so as to form a ring and joined at the circumference, wherein the spring washer is provided in the form of an undulating spring with a plurality of circumferentially formed peaks and troughs, or in the form of a plate spring with a conical shape and teeth at least one circumferential edge.
Claims28
A spring washer comprising:
- a strip material and a junction,
- wherein strip material is substantially ring-shaped and further comprises a plurality of peaks and troughs arranged around a circumference of the strip material.
A spring washer comprising:
- a strip material and a junction,
- wherein the strip material is substantially ring-shaped and is joined at the junction, and
- wherein the strip material further comprises a plurality of teeth and slots arranged on at least one of the inner and outer circumferential edges of the strip material.
A method of producing a spring washer, comprising the steps of:
- bending a strip material into a ring-shaped portion of the strip material,
- further bending the strip material to provide a plurality of peaks and troughs arranged around a circumference of the strip material, and
- joining the two ends of the ring-shaped portion of the strip material to form an undulating ring.
Dependencies are inferred from the claim text.