Material or article handling – Movable rack having superposed – charge-supporting elements,... – Rack moved vertically by elevating means
Patent
1979-03-28
1981-07-07
Paperner, Leslie J.
Material or article handling
Movable rack having superposed, charge-supporting elements,...
Rack moved vertically by elevating means
414285, 414400, B65G 100, B65G 6500
Patent
active
042772168
ABSTRACT:
A tray transport device for transferring trays in one direction or the other between a tray transport trolley and a conveyor for delivering or carrying trays from the transport device. The transport device includes vertical members which supports sets of horizontal parallel tray carrying strips which are disposed essentially parallel to a plurality of vertical sets of tray rails in a tray trolley. The sets of carrying strips are vertically shiftable by a drive into different height positions corresponding to levels of the trays in a trolley. The uppermost height position is level with the delivery station of a belt conveyor. A horizontal continuous belt conveyor located below and between the tray strips is also vertically shiftable as a unit to a plurality of levels equal to the tray levels in the trolley and is horizontally shiftable as a unit to be moved between and under any selected level of trays in the trolley to shift trays from the trolley to the tray carrying strips. An automatic control is provided for the transport device and enables functioning for loading and unloading trays from a trolley.
REFERENCES:
patent: 2869739 (1959-01-01), Davis
patent: 3075656 (1963-01-01), Pearne
patent: 3637095 (1972-01-01), Kampfer
patent: 4032027 (1977-06-01), Lindberg
Paperner Leslie J.
Williams L. E.
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