Power take-off assembly for tractors

Machine element or mechanism – Power take-off

Patent

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Details

74 154, 180 531, 180 534, B60K 1704

Patent

active

059376970

ABSTRACT:
In a tractor comprising a hydraulic lift case (13) mounted on an upper surface of a tractor rear housing (4), a support plate (65) is disposed in an opening (57) in a top wall of the rear housing. This plate is mounted to the rear housing preferably through the lift case which covers the opening. A power take-off shaft (68) is supported in the lift case and is connected to a transmission shaft (34), driven by engine, at a location below the opening through a gear train (60, 61, 62) which passes through the opening and includes an intermediate gear (61) supported by the support plate. This take-off shaft permits taking off power to a spare space at an outside location of the lift case, where at least one pump (71; 72) driven by this shaft is preferably disposed. Another power take-off shaft (36) extending rearwardly of the rear housing is provided and is connected to the transmission shaft through a PTO-clutch (37) and through a speed change mechanism (38). A PTO-brake (63) for braking the latter take-off shaft and an interlock mechanism (64) for locking the change mechanism are provided using the support plate as a support therefor.

REFERENCES:
patent: 2913064 (1959-11-01), Ferguson et al.
patent: 3405766 (1968-10-01), Todeschini
patent: 4856355 (1989-08-01), Ishimaru
patent: 5511436 (1996-04-01), Hasegawa

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