Panel interlock
AssigneeThe Mead Corporation
InventorJames R. Oliff
Life of this patent
Estimating the term…
Abstract
For interlocking a pair of panels in overlapping face contacting relation, dual side by side locking tabs are struck from one panel and are arranged to be driven through side by side dual retaining apertures separated from each other by a reinforcing strut which is integrally connected at its ends with the other panel, the reinforcing strut being arranged to occupy the space between the dual retaining apertures.
Claims10
An arrangement for interlocking a pair of panels in overlapping face contacting relation, said arrangement comprising side by side dual locking tabs each having a base and spaced sides with adjacent shoulders projecting laterally from its sides and disposed i abutting relation to each other and being struck from one of said panels and each being foldably joined at its base to said one panel, and side by side spaced apart dual retaining tabs struck from the other of said panels and defining locking apertures having side edges of predetermined fixed length and which are formed in said other of said panels, each retaining tab having a base and side and end edges and being foldably joined at its base to said other of said panels and being disposed in abutting relation with one of said locking tabs so as to secure said one locking tab in angular relation to said panels and to aid in holding said panels in face contacting relation following movement of each of said locking tabs through the associated locking aperture.
Dependencies are inferred from the claim text.