Interconnected, adjustable height topper and gathering arm syste

Harvesters – Motorized harvester – Including plural operating units and drive

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56 59, 56 63, A01D 4510

Patent

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044084412

ABSTRACT:
A sugar cane harvester having at its front end a topper section for cutting off the tops of the cane stalks and upper and lower sets of cane gathering arms which gather up the cane and bring it into the harvester for harvesting at its base and topping at its top. The topper section is carried on a vertically moveable base riding on vertical tracks for varying the height of the topping cuts, to which base is also pivotally connected the harvester ends of the upper set of cane gathering arms, thus interconnecting the topper cutter entry or harvester ends of the upper arms and the topper section for combined movement together. Variable length, telescoping bracing arms are pivotally connected between the left, upper and lower arms and the right, upper and lower arms, respectively, to provide stabilizing bracing to the upper sets of arms when they are vertically varied with the topper section. The vertical movement of the topper section maintains the optimum cutting angle despite the adjustability of the cutting height and the combined movement of the upper cane gathering arms.

REFERENCES:
patent: 947292 (1910-01-01), Bonham
patent: 1133422 (1915-03-01), Barnett
patent: 1757848 (1930-05-01), Stiles
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patent: 3141281 (1964-07-01), Gaunt et al.
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patent: 3325982 (1967-06-01), Fogels et al.
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patent: 3772864 (1973-11-01), Rodrigue
patent: 3791114 (1974-02-01), Fowler
patent: 3925199 (1975-12-01), Quick

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