Appeal No. 1999-1816 Page 6
Application No. 08/370,540
Tisbo discloses a storage locker constructed of
recyclable thermoplastic that utilizes insertion tabs and
sockets molded into the sides, top, bottom, front and side
panels for
permanent interlocking without the need of conventional
fasteners. As shown in Figure 2, assembly of a basic locker
requires snap attachment of side walls 18, 24 to top end panel
20 and bottom end panel 26. Top end panel 20 and bottom end
panel 26 are provided with insertion tabs 46, 46'. Side walls
18, 24 are provided with socket receptacles 50. The storage
locker is assembled by inserting the tabs of the top end panel
20 and bottom end panel 26 into the socket receptacles of the
side walls 18, 24.
As shown in Figure 4 of Tisbo, the insertion tabs 46, 46'
include an alignment rail 110 having an angular top section
112 and reinforced lower section 114. A projection spar 116
forms the basis of the insertion tab comprising an upwardly
projecting finger having a sloped top portion 118 leading to
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