Harvesters – Tedders
Patent
1979-11-16
1981-06-23
Eskovitz, Jay N.
Harvesters
Tedders
A01D 7900
Patent
active
042742480
ABSTRACT:
A hay harvesting machine contains a rake wheel whose housing is formed by an upper housing portion non-rotatably connected with a vertical upright shaft and a lower driven housing portion rotatably mounted at such upright shaft. In bearing bushings rotatably mounted at the lower housing portion there are retained tine supports provided with raking tines or prongs. These tine supports extend in an essentially horizontal plane and, by rotating the bearing portions, can be selectively shifted from a first operating position into a second operating position. In the first operating position the tine supports extend approximately in tangential direction and in the second operation position they protrude essentially in radial direction from the upright shaft. Each tine support is connected with a control lever engaging, by means of a control head or follower, into a control track or cam. This control track is located in a plane extending essentially perpendicular to the upright shaft, i.e. horizontally. Each control lever is connected with the related tine support by means of a hinge shaft extending approximately perpendicular to the lengthwise axis of the related tine support and located in a plane which is essentially perpendicular to the upright shaft. By virtue of this hinge connection, with the tine supports located in the second operating position, there is eliminated the control connection between the control lever and its tine support.
REFERENCES:
patent: 3820314 (1974-06-01), Reber
patent: 4059944 (1977-11-01), Reber
Bucher-Guyer AG Maschinenfabrik
Eskovitz Jay N.
Kleeman Werner W.
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