Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1979-02-27
1981-04-14
Kunin, Stephen G.
Material or article handling
Vertically swinging load support
Shovel or fork type
371175, 74103, 280478R, 414705, E02F 332
Patent
active
042616840
ABSTRACT:
A device for mounting an appliance (such as a backhoe excavator) on a vehicle (such as a tractor) comprises a fixed frame secured to the vehicle, and a movable frame to which the appliance is pivotally connected by means of a kingpost. The movable frame has elements thereon which are slidable along respective linear guides on the fixed frame, thereby enabling the movable frame to be pivoted relative to the fixed frame under the control of a drive so as to offset the kingpost from the center line of the vehicle. The guides converge at a predetermined angle rearwardly of the vehicle, and the elements subtend the same angle to the kingpost so that the kingpost moves along a straight line at right angles to the vehicle center line as the movable frame is pivoted with respect to the fixed frame. This arrangement enables the appliance to be pivoted relative to the vehicle about a comparatively large angle without fouling the rear (particularly the rear wheels) of the vehicle.
REFERENCES:
patent: 2198635 (1940-04-01), Rossman
patent: 3099358 (1963-07-01), Clark
patent: 3250410 (1966-05-01), Dorkins
patent: 3728768 (1973-04-01), Mori
Brown Leslie A.
Norton Harry W.
F. W. McConnel Limited
Kunin Stephen G.
Siemens Terrance L.
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