Power takeoff shaft for a farm tractor

Details Power takeoff shaft for a farm tractor Power takeoff shaft for a farm tractor

1987-04-08

1988-10-11

Herrmann, Allan D.

Machine element or mechanism

Power take-off

With independent change speed gearing

74 1566, 74373, B60K 1728, F16H 506

Patent

active

047762268

ABSTRACT:
A power takeoff mechanism for a farm tractor with two interchangeable power takeoff shafts which can be driven at different speeds and are connected by means of annular flanges of different diameters with a driving flange on the end of an output shaft wherein a pawl is pivoted near the driving flange and is connected to a clutch lever of the gear shifting mechanism whereby the pawl must be pivoted to a predetermined position when one of the power takeoff shafts is installed, thereby preventing the clutch lever from being operated in a manner to select an inappropriate speed for the installed power takeoff shaft.

REFERENCES:
patent: 3279275 (1966-10-01), Christie
patent: 3513712 (1970-05-01), Zajichek et al.
patent: 3830111 (1974-08-01), Travaglio
patent: 3991629 (1976-11-01), Dearnley

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