Mower Knife Device
AssigneeWepfer Technics AG
InventorHans WEPFER
Life of this patent
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Abstract
The present disclosure relates to a mower knife device with a knife bar and a dual blade cutting system. The dual blade cutting system includes an upper cutting knife and a lower cutting knife designed to be movable relative to one another. The upper cutting knife is connected to the knife bar by means of an upper retaining device. The lower cutting knife is connected to the knife bar by means of a lower retaining device. The upper retaining device is mounted on the knife bar by means of a guide bushing. A preloaded tension spring is arranged inside the guide bushing. The tensile force of the tension spring is designed to apply a contact pressure of the upper cutting knife to the lower cutting knife via the upper retaining device.
Claims15
A mower knife device comprising:
- a knife bar;
- and
- a dual knife cutting system comprising an upper cutting knife and a lower cutting knife arranged to move relative to each other;
- wherein
- the upper cutting knife is connected to the knife bar by means of an upper retaining device;
- the lower cutting knife is connected to the knife bar by means of a lower retaining device;
- the upper retaining device is mounted on the knife bar by means of a guide bushing;
- a preloaded tension spring is arranged inside the guide bushing;
- and
- the tensile force of the tension spring is configured to apply a contact pressure of the upper cutting knife to the lower cutting knife via the upper retaining device.
Dependencies are inferred from the claim text.