Supports: racks – Power operated – Revolvable
Patent
1978-09-11
1980-08-12
Frazier, Roy D.
Supports: racks
Power operated
Revolvable
108 21, 211151, 414282, A47F 500
Patent
active
042168660
ABSTRACT:
This invention relates to an apparatus for racking sheet materials characterized by an open-sided generally box-like rack having opposed sets of horizontally-disposed guiderails arranged in stacked relation one above the other to define tray tracks along the inside of the front and rear walls thereof. Slat-bottomed double-ended trays are mounted on the tracks for independent movement from a retracted position essentially centered within the rack to either one of two extended positions overhanging a side of the latter. Tray transfer means are provided for each tray accessible in the center of one end of the rack operative upon actuation, to drive a particular tray in either direction between its retracted and extended positions. A tool carriage is mounted on vertically-disposed tracks on the end of the rack with access to the tray transfer means for movement therealong into alignment with any of the tray transfer means. A tray transfer drive is mounted on said tool carriage for relative movement between a disengaged position and an engaged position operatively coupled to a selected tray transfer means upon being aligned therewith. And, a control mechanism interconnecting said tray transfer drive and a tray responsive to movement of the tray into one of its fully-extended positions, and partially disabling said transfer means by preventing its being used to move the extended tray in the direction in which it is extended.
REFERENCES:
patent: 3465897 (1969-09-01), Shumann et al.
patent: 3708074 (1973-01-01), Fahey et al.
patent: 4073382 (1978-02-01), Fahey et al.
Fahey Thomas D.
McGannon George P.
Frazier Roy D.
Gibson , Jr. Robert W.
McCallin Steel Storage Systems, Inc.
Spangler, Jr. Edwin L.
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