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US 2009/0288539 A1Published application
Knife Carrier Having Deactivatable Spring-Loading
OwnerRudolf Supe-Dienes, Falk Oberhoffinventors
Life of this patent
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Abstract
A longitudinal cutting or slitting machine having a knife carrier that supports a circular knife. A pre-tensioning element is disposed on the knife carrier for pre-tensioning the circular knife into a cutting position defined by abutment of the circular knife against a counterknife. A changeover mechanism is disposed on the knife carrier for placing the pre-tensioning element in an ineffective position that provides a firm connection between the knife carrier and the circular knife.
Claims23
A longitudinal cutting or slitting machine, comprising:
- a knife carrier that supports a circular knife;
- a pre-tensioning element disposed on said knife carrier for pre-tensioning said circular knife into a cutting position defined by abutment of said circular knife against a counterknife;
- and
- a changeover mechanism disposed on said knife carrier for placing said pre-tensioning element in an ineffective position that provides a firm connection between said knife carrier and said circular knife.
1 more element
Dependencies are inferred from the claim text.