Conveyors: power-driven – Conveyor system for moving a specific load as a separate unit – System includes linear conveyor or portion thereof which...
Patent
1990-10-30
1992-06-23
Valenza, Joseph E.
Conveyors: power-driven
Conveyor system for moving a specific load as a separate unit
System includes linear conveyor or portion thereof which...
193 35SS, 414286, 414276, 1984652, 1984653, B65G 4734
Patent
active
051235170
ABSTRACT:
A low profile unpowered conveyance utilizes air actuators to tilt sequentially sections of idler roller conveyors to move loads such as palletized bins from one section to an adjoining section. The sections may be arranged in a line, loop or other arrangement. The sections are tilted by air actuators which are preferably low profile pneumatic air bags or springs. In one form a pair of air bags support a pivotally mounted entry section through a harness and when the air bags are deflated the entry section pivots downwardly with respect to the conveyor section. When the air bags are partially inflated the entry section is held horizontal. When the air bags are further inflated, the entire section tilts. The entire section tilts only when the succeeding section is clear and concurrently the entry section of the succeeding section also tilts to be aligned with the prior section providing an inclined idler roller ramp to permit the load to roll to the succeeding section. When the proper position of the load is achieved, the entry section returns to a horizontal position and the load rolls to a stop on the succeeding section. Each section includes a load stop which is retracted when the section is tilted. The entry section may be positioned on one or both ends of each section. In another form, the conveyor sections are supported by air actuators at each end and when one section tilts, the succeeding section also tilts so that both are aligned and tilted. Flank sections are provided for moving the loads around corners with such flank sections having intersecting idler roller conveyor sections. The system avoids load-to-load contact and operates entirely with low pressure air and low voltage wiring for the controls.
REFERENCES:
patent: 4706793 (1987-11-01), Masciarelli
patent: 4747477 (1988-05-01), Benz et al.
patent: 5064046 (1991-11-01), Janotik et al.
Lake Erie Welding & Fabricating
Valenza Joseph E.
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