Land vehicles – Wheeled – Articulated vehicle
Patent
1992-09-16
1993-08-31
Focarino, Margaret A.
Land vehicles
Wheeled
Articulated vehicle
180 533, 37231, 172272, B60D 101
Patent
active
052402720
ABSTRACT:
A hitch for attaching an implement with a tongue to an agricultural vehicle has at least one spacer bar which is pivotally coupled to the vehicle body about a horizontal axis. A rear end of the spacer bar is pivotally connected to the middle area of a lift arm. A drawbar hook is connected to a rear end of the lift arm and the lift is pivotal about an axis to adjust the height of the drawbar hook. A lift mechanism is pivotally connected to a forward end of the lift arm. This lift mechanism draws the forward end of the lift arm generally upwards. The hitch operates so that the drawbar hook moves substantially vertically and then horizontally when moved from its lowest position to a work height.
REFERENCES:
patent: 2968494 (1961-01-01), Klouda
patent: 2983523 (1961-05-01), Kienzle
patent: 3572759 (1971-03-01), Baugh
patent: 3863955 (1975-02-01), Muncke et al.
patent: 4058180 (1977-11-01), Dreyer
patent: 4887680 (1989-12-01), Nozaka et al.
patent: 4905769 (1990-03-01), Barnes et al.
Deere & Company
Ellis Christopher P.
Focarino Margaret A.
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