A - Human Necessities – 01 – B
Patent
A - Human Necessities
01
B
97/69
A01B 33/06 (2006.01) A01B 33/08 (2006.01)
Patent
CA 1077327
ABSTRACT OF THE DISCLOSURE A tilling machine comprising a frame having a trans- verse shaft with bevel drives by means of which rotating tool- carriers may be pivoted individually. The tool-carriers are adapted to be driven by the transverse shaft and bevel drives, and the latter are equipped with extensions, with spring elements located between the extensions and frame for the purpose of hold- ing the tool-carriers in their operative positions. In a known similar machine, additional bevel gearing is arranged at the out- put shafts of the pivotally mounted bevel drives, the tool- carriers being located upon the output shafts of these second bevel drives, representing a considerable additional cost. The present invention proposes to improve upon the known machine by providing a simple design which will have the advantage of allow- ing all tool-carriers to deviate resiliently if the tools strike obstacles. Accordingly, the tool-carriers are arranged upon the output shafts of the pivotally mounted bevel drives. Further, according to a preferred embodiment, the distances between the attachment locations for the resilient elements to the extensions and the attachment locations for these elements to the frame are variable.
285432
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