Special receptacle or package – Structural features for vertical stacking – i.e. – similar... – Having vertical projecting element or recess for interlock
Patent
1995-09-06
1996-11-26
Castellano, Stephen J.
Special receptacle or package
Structural features for vertical stacking, i.e., similar...
Having vertical projecting element or recess for interlock
206509, 220 427, 220770, B65D 21032
Patent
active
055776132
ABSTRACT:
A carry handle and interlock system for stackable equipment units includes dual functionality in a simple yet elegant design. A primary unit, such as a computer printer, is provided with a housing shell that includes outwardly warped side panels that also form downwardly facing grooves in the side panels. The grooves are shaped and dimensioned for allowing fingers to be at least partially received within the grooves for lifting and moving the primary unit. The primary unit is made stackable with accessory units, such as sheet feeder paper trays, by providing each accessory unit with side panel projections that have an upwardly directed tongue designed to be inserted in the grooves of the primary unit, thereby interlocking the accessory unit subjacent the primary unit. The side panel projections also have downwardly directed recesses designed for either allowing fingers to be at least partially received with the recesses for lifting and moving the accessory unit or for receiving the tongue of a subjacently stacked second accessory unit. In such a stacked configuration, the user is coaxed into lifting a stack only by the bottom most accessory unit.
REFERENCES:
patent: 4050580 (1977-09-01), Wilson
patent: 4823955 (1989-04-01), Apps
patent: 5190156 (1993-03-01), Conaway et al.
patent: 5423445 (1995-06-01), Montanari et al.
Castellano Stephen J.
Hewlett--Packard Company
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