Material or article handling – Movable rack having superposed – charge-supporting elements,... – Rack moved vertically by elevating means
Patent
1997-02-10
1999-07-13
Werner, Frank E.
Material or article handling
Movable rack having superposed, charge-supporting elements,...
Rack moved vertically by elevating means
4147887, 4147888, 414237, 211126, B65G 6000
Patent
active
059217391
ABSTRACT:
A multiple movable parts tray device having a plurality of interengaging trays that are selectively transferred between tray stacks. Engagement and lifting arms are provided that will independently engage and index the tray stacks allowing for simultaneous transfer of single trays between respective stacks.
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patent: 3164259 (1965-01-01), De'Caccia
patent: 3583579 (1971-06-01), Triggs et al.
patent: 3784024 (1974-01-01), Kristy
patent: 4588341 (1986-05-01), Motoda
patent: 5248049 (1993-09-01), Murphy, Sr.
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