Material or article handling – Load-transporting type vehicle and external means... – Of driven type – for unloading a wheeled vehicle
Patent
1988-09-15
1991-01-01
Valenza, Joseph E.
Material or article handling
Load-transporting type vehicle and external means...
Of driven type, for unloading a wheeled vehicle
414334, 414337, 414917, B65G 6702
Patent
active
049814109
ABSTRACT:
These new rotary loaders for transfer of cargo containers or semitrailers to and from railway cars etc. are characterized by a load lift arm or frame or platform supporting two or more parallel swinging parallelogram arms each supported free to swing in a substantially vertical plane substantially independently of one another and all supporting a loadspreader pivotally connected on outward extensions of the parallelogram linkage arms. The loadspreader is therefore free to turn (without a central turntable) to enage and couple a vehicle and align the loadspreader therewith through the chord of a transfer arc of the load lift arm as the loader is rotated in one direction. The loadspreader is realigned for the next transfer by the weight of the load spreader and its load as the loader continues to turn out beyond the transfer arc and away from the vehicle. This plural parallelogram separate swinging mounting for the loadspreader is generally applicable to loaders to make them self aligning without a central turntable.
REFERENCES:
patent: 4124129 (1978-11-01), Barry
patent: 4362456 (1982-12-01), Barry
patent: 4370085 (1983-01-01), Barry
patent: 4370086 (1983-01-01), Barry
patent: 4483652 (1984-11-01), Barry
patent: 4519737 (1985-05-01), Barry
patent: 4746257 (1988-05-01), Barry
Bidwell James R.
Valenza Joseph E.
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