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US 2018/0103581 A1Published application
Cutter assembly with knife guard and knife guard holder
AssigneeDeere & Company
InventorsJesse R. Neely, Lucas Laudenbach
Life of this patent
Estimating the term…
Abstract
A cutter assembly may include a knife guard holder to be removably connected to a cutter bar, a knife guard an interface between the knife guard holder and the knife guard. The knife guard may have a knife channel to slidably guide a cutter knife. The interface extends between the knife guard holder and the knife guard to locate and releasably retain the knife guard with respect to the knife guard holder.
Claims20
A cutter assembly comprising:
- a knife guard holder to be removably connected to a cutter bar;
- a knife guard having a knife channel to slidably guide a cutter knife;
- and
- an interface between the knife guard holder and the knife guard to locate and releasably retain the knife guard with respect to the knife guard holder.
1 more element
A method for assembling a cutter assembly, the method comprising:
- removably mounting a knife guard holder to a cutter bar, the knife guard holder comprising one of wedges and wedge-shaped cavities;
- and
- mounting a knife guard to the knife guard holder by inserting the other of the wedges and the wedge-shaped cavities of the knife guard into said one of the wedges and wedge-shaped cavities of the knife guard holder.
A knife guard for a cutter assembly, the knife guard comprising:
- an integral unitary polymer body comprising:
- a bar;
- a plurality of pointed fingers forwardly projecting from the bar, at least one of the pointed fingers forming a knife channel;
- and
- a plurality of wedge-shaped projections projecting rearwardly from the bar to be received within a corresponding plurality of wedge-shaped cavities;
- and
- a first metal metal plate continuously extending across and secured to the plurality of pointed fingers, the first metal cutter plate forming a floor of the knife channel;
- and
- a second metal plate secured to the at least one of the pointed fingers forming the knife channel, the second metal plate forming a ceiling of the knife channel.
6 more elements
Dependencies are inferred from the claim text.