Harvesters – Tedders
Patent
1979-11-16
1981-06-23
Eskovitz, Jay N.
Harvesters
Tedders
A01D 7900
Patent
active
042742498
ABSTRACT:
A hay harvesting machine containing a rake wheel having a housing formed by an upper housing portion connected non-rotatably with a vertical upright shaft and a lower housing portion rotatably mounted at the upright shaft. The lower housing portion is revolvingly driven by means of a gear drive, typically bevel gearing. In the lower housing portion there are mounted tine supports so as to be pivotal about their lengthwise axis, these tine supports additionally being pivoted about a pivot shaft or axis extending transversely with respect to their lengthwise axis. This pivot axis is located in a plane which is approximately perpendicular to the upright shaft. The tine supports extend in tangential direction and, viewed in the direction of revolving motion thereof, extend rearwardly. For swath formation the tine supports are retained in a pivotal position where they are guided by means of a control head or follower in a control track or cam at the upper housing portion. This control track is located in a plane extending essentially perpendicular to the upright or vertical shaft. For windrowing and turning the cut grass or material the tine supports are pivoted about the pivot shaft or axis, so that they come out of engagement with the control track or cam. In this pivotal position the tine supports are secured against rotation about their lengthwise axis.
REFERENCES:
patent: 4015412 (1977-04-01), Reber
Bucher-Guyer AG Maschinenfabrik
Eskovitz Jay N.
Kleeman Werner W.
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