Package making – With contents treating – Reshaping
Reexamination Certificate
2002-08-21
2003-10-14
Kim, Eugene (Department: 3721)
Package making
With contents treating
Reshaping
C053S556000, C053S587000, C053S389400
Reexamination Certificate
active
06631604
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to devices for wrapping net material around large round bales located in a baling chamber and more specifically relates to structure for keeping net wrap material at its dimension wider than the baling chamber so that the net material becomes wrapped over outer, opposite end segments of the ends of the bale.
U.S. Pat. No. 6,006,504, issued on Dec. 28, 1999 relates to a wrapping device of the above-mentioned type. While this patent acknowledges the importance of having the net material spread to its full width at the point of its feeding into the crop inlet of the baling chamber, it is somewhat lacking in that regard. Also, operation of a baler constructed in accordance with the patented structure has revealed shortcomings in its construction which permit crop materials to directly interfere or to accumulate and then interfere with the spreading and feeding operations of the net. It has even been found that in some instances the interfering crop materials will cause rips or tears in the net wrap material. This interference can take place at any point along the entire feed path for the net material extending beneath the baler discharge gate and into the crop inlet, but particularly in the vicinity of the lower rear and lower front belt support rolls of the discharge gate.
SUMMARY OF THE INVENTION
According to the present invention, there is provided a net material delivery structure which represents an improvement over the structure disclosed in the above-identified patent.
An object of the invention is to provide a net wrap feeding assembly which is capable, in a variety of crop conditions, of effectively feeding net material, at a width greater than that of the baler chamber, into the crop inlet of a large round baler so that a bale located there will be wrapped with the net extending over opposite end segments of the bale.
A more specific object of the invention is to provide a net wrap feeding assembly which includes various components which cooperate to keep incoming crop flow as well as stray or rogue crop material from interfering with the spreading and delivery of the net material to the baling chamber.
Another object of the invention is to provide the lower front gate roll with spiral strips that act to increase the aggressiveness between the roll and the belts so that crop is carried through the nip area, chop crop when it engages the roll scraper, auger rogue or stray pieces of crop inwardly away from the spreader rings at the opposite ends of the roll, and to lift and shake the bale forming belts so that stray or rogue crop pieces carried by the belts will fall between the belts.
These and other objects will become apparent from a reading of the ensuing description together with the appended drawings.
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patent: 5103621 (1992-04-01), Matsumoto
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patent: 5289672 (1994-03-01), Underhill
patent: 5570164 (1996-10-01), Yamamoto et al.
patent: 5581973 (1996-12-01), Underhill
patent: 5685043 (1997-11-01), LaManna et al.
patent: 5715655 (1998-02-01), Soderberg
patent: 5768986 (1998-06-01), Arnold et al.
patent: 5996307 (1999-12-01), Niemerg et al.
patent: 6006504 (1999-12-01), Myers et al.
Deere & Company
Kim Eugene
Tawfik Sameh
LandOfFree
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