Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1986-08-28
1988-05-03
Paperner, Leslie J.
Material or article handling
Vertically swinging load support
Shovel or fork type
2807661, 280767, 414718, 414728, E02F 3342
Patent
active
047416629
ABSTRACT:
An assembly of lift arms and mounting structure together with simultaneously functioning stabilizers provides improved material handling apparatus for application to small, relatively lightweight vehicles. This apparatus comprises structure for giving the load engaging portions of the lift arms an extended outreach capability, as and when required. The outreach capability in one embodiment is achieved utilizing a traveling base for the lift arms and in another the lift arms comprise telescoping parts. In either case the base for the lift arms may have directly connected stabilizers which preserve balance of the lift arms and the underlying vehicle. The apparatus disclosed features a particularly useful and rugged lift arm assembly having general utility in the material handling art. This assembly provides a pair of arms arranged for pivotal attachment to a base support having telescopically related extensions mounting material engaging apparatus and bridged by structure affording a base for control apparatus connected directly to the material engaging apparatus. The apparatus lends itself to a most efficient leveling operation in respect to deposited material and it is not dependent for its separate utility upon a use therewith of supplementary stabilizers.
REFERENCES:
patent: 2439085 (1948-04-01), Grzech et al.
patent: 3327879 (1967-06-01), Lull
patent: 3648871 (1972-03-01), Layton
patent: 3791052 (1974-02-01), Van Der Lely
patent: 3967744 (1976-07-01), Goyarts
patent: 4065009 (1977-12-01), Old
Bloom Jerome P.
Paperner Leslie J.
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