Mail sorting rack

Supports: racks – Sorting type

Patent

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Details

211151, 312334, A47F 500

Patent

active

051199424

ABSTRACT:
An upright, generally cubicle sheet metal mail sorting rack for at least temporarily storing a plurality of trays filled with items of mail. Each cabinet comprises a pair of rigid, spaced apart end panels of generally rectangular dimensions. A plurality of vertically spaced apart retractable shelves are supported within the cabinet between the end panels by a dynamic mounting system. The shelves can be manually displaced from a retracted within the cabinet to an extended, tilted position facilitating tray access. The mounting system comprises a pair of segmented tracks for each shelf, and suitable wheel bearings which ride upon the tracks. Each segmented track comprises separate horizontal and angled track members mounted on the interior of the cabinet end panels. Pairs of wheel bearings project outwardly from each shelf end; front wheel bearings ride on the horizontal track and the rear wheel bearings ride on the angled track. Thrust bearings project from the shelf ends beneath the wheel bearings toward the inner surfaces of the end panels to capture the tracks to resist binding forces. The shelves are yieldably locked in either the retracted or withdrawn position by a notched, detent system defined in the tracks. One or more of the units may be employed in side-to-side relationship, and they may be arranged ergonomically in arrays of columns and rows.

REFERENCES:
patent: 3465897 (1969-09-01), Schumann et al.
patent: 3524692 (1970-08-01), Preston
patent: 4227466 (1980-10-01), Rooklyn
patent: 4314734 (1982-02-01), Grunert
patent: 4403701 (1983-09-01), Corcoran
patent: 4482066 (1984-11-01), Dykstra
patent: 4923070 (1990-05-01), Jackle et al.
patent: 5037163 (1991-08-01), Hatcher

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