Harvesters – Tedders
Patent
1974-10-11
1976-11-23
Eskovitz, J.N.
Harvesters
Tedders
A01D 7902
Patent
active
039928624
ABSTRACT:
A hay making machine has a rake that rotates on an upwardly extending axis and an outer circumference defined by a felly or rim to which elongated crop working elements are connected. The elements can be tines or flexible strips that are pivotally or flexibly associated with the felly or rim so that the elements respond to ground undulations or a control device and pivot or otherwise deflect. In one aspect, tines having supporting portions integral with outer bent end portions are spaced from adjacent tines a distance (between corresponding points) less than the combined length of the two aforementioned tine portions to ensure that crop is retained during rotation of the rake member. Alternate tines may have different lengths or the tines may have plates to facilitate crop retention. A wire or rope can be connected to the tines above their outer ends to enhance their crop working cooperation or the tines can be interconnected by tortional rod portions and/or loops that are integral for the same effect. Also, the felly can be formed by the bottom of a walled rim of the rake. A control member in the form of a blower mounted within a housing at the rake's hub can be used to direct an air stream at crop held by the crop working elements to dislodge the crop at a preselected sector around the rake member's circumference. Wires interconnecting the hub to the elements in the form of flexible strips can be tripped by a roller positioned to contact the wires and distort the strips so that crop is dropped at a preselected sector. One or more swath forming members can be positioned above and/or laterally of the rake member to direct deposited crop.
REFERENCES:
patent: 3579972 (1971-05-01), Sears
van der Lely Ary
van der Lely Cornelis
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