Control device for selectively limiting stroke of swing actuator

Details Control device for selectively limiting stroke of swing actuator Control device for selectively limiting stroke of swing actuator

1996-02-28

1997-07-01

Reese, Randolph A.

Harvesters

Motorized harvester

Including motorized vehicle causing transit of harvester

56192, 56228, 172240, A01B 7300

Patent

active

056426070

ABSTRACT:
An implement includes a mid-mounted pivot tongue that is movable in a normal range of movement when the implement is working and to a transport position for towing the implement endwise when the implement is to be transported. Two embodiments of a stroke control device are provided and each acts to limit the stroke of a tongue-swing hydraulic actuator to operate for swinging the tongue through its operating range during normal operation of the implement, with each stroke control device being selectively operable to a stroke-freeing position permitting the actuator to operate through its entire stroke for moving the tongue beyond its operating range to a transport position. The stroke control devices and the tongue include cooperating structure for locking the tongue in its transport position.

REFERENCES:
patent: 3919831 (1975-11-01), Halls et al.
patent: 4552375 (1985-11-01), Kinzenbaw
patent: 4558560 (1985-12-01), Koch
patent: 4905466 (1990-03-01), Heppner
patent: 5025616 (1991-06-01), Moss
patent: 5136828 (1992-08-01), Ermacora

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