Agricultural implements

Details Agricultural implements Agricultural implements

1976-09-08

1978-09-05

Johnson, Richard J.

Earth working

With drive means for tool or cleaner

Plural driven tools

172125, 74359, A01B 3306, A01B 3308

Patent

active

041112660

ABSTRACT:
An implement, such as a cultivator with rotary tools, has a drive from an imput shaft to an output shaft via a change speed gear assembly. A driving shaft is connected to the imput and the driving shaft rotates a side shaft, which can be the output shaft. A corresponding set of different sized gear wheels are mounted on both the driving shaft and the side shaft. The gear wheels of one set are meshed with respective gear wheels of the other set and drive is transmitted through any one pair of meshed gear wheels. Either one of the driving or side shafts can be displaced with respect to the corresponding gear wheel set and external splines on that one shaft selectively engage the internal splines of any one of the gear wheels to selectively establish a gear transmission ratio that rotates the tools at predetermined speeds.

REFERENCES:
patent: 1985015 (1934-12-01), Bush
patent: 2185636 (1940-01-01), Kysor
patent: 3667551 (1972-06-01), Lely et al.
patent: 3774689 (1973-11-01), Lely et al.
patent: 3783948 (1974-01-01), Lely et al.
patent: 3889547 (1975-06-01), Sun

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