Patent
1972-10-24
1976-10-05
Paperner, L. J.
214 1BC, 214151, 214DIG10, B66F 914
Patent
active
039840190
ABSTRACT:
A lift truck load handling attachment adaptable particularly for transporting an elongate load longitudinally of said truck and having means for transversely extending the load forks to one side or the other of the truck in order to pick up or deposit the load. The attachment comprises a support member mountable on a conventional lift truck carriage, and includes a forwardly protruding, laterally swinging boom pivotally mounted on the top of the support member. The boom is preferably constructed in the form of an elongate horizontal parallelogram having hinged joints at all four corners. A spaced pair of pivotal joints at the rear of the boom assembly constitute its pivotal connection to the support member, while a cross-head at the front of the boom includes a front pair of pivotal joints. A load handling fork assembly depends from the cross-head with its forks facing transversely to one side of the truck. Manual or power means are provided for permitting the direction of the forks to be reversed toward the opposite side of the truck if desired. In one lateral position of the boom assembly, the side-facing forks are capable of carrying an elongate load longitudinally in a central position in front of the truck. By laterally swinging the boom toward a second position the forks may be extended transversely to the side of the truck in order to pick up or deposit the load. The parallelogram arrangement of the boom insures that the transverse direction of the forks remains constant with respect to the truck despite the lateral swinging of the boom. An alternative embodiment of the invention includes a modified boom assembly wherein a chain and sprocket arrangement is utilized to control the direction of the forks. Motor means may be provided on the attachment support member for selectively driving the chain and sprocket assembly to control fork direction independently of boom position if desired.
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Brudi Ronald A.
Nelson Russell B.
Brudi Equipment, Inc.
Paperner L. J.
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