| 摘要 |
A drawbar for pulling a cultipacker for compacting loose earth. The drawbar has a main pulling beam for attachment at a forward end to a plow being drawn by a tractor and at a rearward end to the cultipacker. The drawbar includes an extendible arm connected at one end to the plow and pivotally connected at it's opposite end to the main pulling beam and an extendible leg pivotally connected between the extendible arm and the main pulling beam adjacent it's rearward end thereof.
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