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US 4,951,452 AGranted
Large bale hay baler
AssigneeEzra C. Lundahl, Inc.
InventorsE. Cordell Lundahl, J. Gordon Wiser, Laurel H. Jensen, Ernie Vandenwijengeart
Life of this patent
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Abstract
A hay baler including a trailer frame with a hitch for attachment to a prime mover and support wheels. A crop pick-up unit moves cut crop into a material storage area, from where it is moved into a bale chamber and is compacted by a compression unit and tied with twine before being discharged to ground from the rear of the trailer frame.
Claims29
A large hay baler comprising:
- a vehicle frame;
- means on said vehicle frame defining an accumulator chamber, a compaction chamber connected to said accumulator chamber, a bale chamber connected to said accumulator chamber and having a tailgate carried by the frame and positioned at the end of the bale chamber;
- means for picking up cut crop and for delivering said cut crop into the accumulator chamber;
- means for selectively transferring material from said accumulator chamber to said compaction chamber;
- means for compacting material in the compaction chamber;
- ram means for moving said compacted material in said compaction chamber into the bale chamber thereby compressing said compacted material at a first rate;
- said ram means further compressing at a second and slower rate and to a greater degree said compressed material in said bale chamber;
- means for tying said compressed material int eh bale chamber when compressed to a desired density into a bale;
- and
- means for opening the tailgate to release the compacted and tied bale.
7 more elements
Dependencies are inferred from the claim text.