Device for connecting work machine to tractor

Details Device for connecting work machine to tractor Device for connecting work machine to tractor

1988-09-01

1989-12-19

Hill, Mitchell J.

Motor vehicles

Motor as source of power for other machine

Other machine is mounted by three point hitch

172 47, 172272, 180 144, 2804151, 403359, 464113, 464158, B60K 2500

Patent

active

048876801

ABSTRACT:
A device for automatically connecting a work machine to a tractor includes a connector for interconnecting the rear ends of top link and lower links of a three-point link assembly pivoted to the body of the tractor. The connector has an upper engaging portion and lower engaging portions automatically engageable with an upper connecting portion and lower connecting portions of the work machine, respectively. The connector is further provided with an assembly for automatically coupling the input shaft of the work machine to a transmission shaft connected to the PTO shaft of the tractor. The coupling assembly includes a coiled spring supporting the rear end of the transmission shaft freely movably and axially movably for accommodating misalignment of the input shaft relative to the transmission shaft when the two shafts are to be coupled together.

REFERENCES:
patent: 3074501 (1963-01-01), Lane et al.
patent: 3283840 (1966-11-01), Lane
patent: 3299979 (1967-01-01), Restall
patent: 3512804 (1967-12-01), Siegert
patent: 3807769 (1974-04-01), Thompson et al.
patent: 3871463 (1975-03-01), Geisthoff
patent: 4023638 (1977-05-01), Holmes et al.
patent: 4071105 (1978-01-01), van Allworden
patent: 4090725 (1978-05-01), Perin
patent: 4176727 (1979-12-01), Perin
patent: 4203238 (1980-05-01), Bangert et al.
patent: 4512413 (1985-04-01), Hirata et al.
patent: 4799563 (1989-01-01), Yukino

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