Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1985-12-27
1987-06-23
Paperner, L. J.
Material or article handling
Vertically swinging load support
Shovel or fork type
414718, 414917, 414706, B66C 2304, B66C 2314
Patent
active
046749446
ABSTRACT:
A mechanism for use on a boom-type vehicle includes load lifting forks carried by a low profile twist-resistant carriage which is one link in a low profile parallelogram linkage attached to a fly section of the boom and maintained level in all positions of the boom by a slave cylinder connected between the boom and a slave link which constitutes a member of the parallelogram linkage. The mechanism can be adjusted to many positions while automatically maintaining the relative position of the forks with respect to the vehicle frame for any boom angle. The mechanism can be adjusted to provide a long reach over or under obstructions in order to remove or place a load. It may also engage loads below ground level. Load pick-up or placement can be performed in confined areas which are unreachable by conventional forklift trucks.
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patent: 4583907 (1986-04-01), Wimberly
Alexander Jay I.
Kidde, Inc.
Paperner L. J.
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