Back to results
US 4,309,051 AGranted
Knotter apparatus with shearplate for rotary knife
AssigneeSperry Corporation
InventorMarc G. Vansteelant
Life of this patent
Estimating the term…
Abstract
The problem of debris fouling of knife edges causing sloppy cutting of baling twine is limited by providing a knotter apparatus including a rotating shear plate. A knife has a cutting edge in knife sharpening engagement with the plate. A groove formed between the cutting edge and the shear plate permits debris to be removed from between the knife and the plate.
Claims7
A knotter apparatus comprising:
- a twine holder including a plurality of rotating twine discs, said discs defining a plurality of sets of notches;
- a shear plate connected to rotate with said twine discs, said plate defining notches substantially aligned with said disc notches;
- a knife connected to said twine holder having a cutting edge in knife sharpening engagement with said shear plate;
- and
- said shear plate further defining a plurality of cleaning grooves.
2 more elements
A knotter apparatus comprising:
- a twine holder including a plurality of rotating twine discs;
- a shear plate connected to rotate with said discs;
- a knife connected to said twine holder having a cutting edge in knife sharpening engagement with said plate;
- and
- means for removing debris from between said knife and said plate, said means being a groove formed between said cutting edge and said shear plate.
2 more elements
Dependencies are inferred from the claim text.