Tractor having transmission-driven power take-off

Details Tractor having transmission-driven power take-off Tractor having transmission-driven power take-off

1975-02-21

1976-09-28

Wood, Jr., M. H.

Motor vehicles

Motor as source of power for other machine

Other machine is mounted by three point hitch

74740, B60K 1728

Patent

active

039825990

ABSTRACT:
A four-wheel drive tractor with front and rear frame structures joined for articulation about a generally upright pivot has a split change speed-transmission. The first section of the transmission is supported on the front frame structure of the tractor and provides direct drive and overdrive speed ratios. A second section of the transmission is supported on the rear frame structure of the tractor and has a plurality of forward and reverse transfer ratios. A power take-off on the rear frame structure of the tractor is driven by the drive between the first and second sections of the transmission and includes selectively engageable and disengageable clutch means. An interlock between the clutch means and the first section of the transmission shifts the first section of the transmission to and/or holds the first section of the transmission in its direct drive condition whenever the PTO clutch is engaged. In this manner damage to any PTO driven implement coupled to the tractor as a result of overspeed is avoided.

REFERENCES:
patent: 3701393 (1972-10-01), Lemons et al.
patent: 3774460 (1973-11-01), Browning et al.
patent: 3774474 (1973-11-01), Recker et al.
patent: 3774475 (1973-11-01), Meysenburg et al.

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