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Fig. 1 is a side view of a data-processing equipment enclosure 10 having two separable covers 11, 12 mounted on a base 13 and locked to each other securely by easily removable, yet decorative, fasteners 14.
English (United States)
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Fastener For Exterior Machine Covers
Fig. 1 is a side view of a data-processing equipment enclosure 10 having
two separable covers 11, 12 mounted on a base 13 and locked to each other
securely by easily removable, yet decorative, fasteners 14.
In Fig. 2, structural plastic covers 11, 12 contain molded
annular grooves 15, 16 having bosses 17, 18 and through holes 19, 20.
Gain 21 receives tongue 22 of steel bracket 23. Self-tapping screws
33 are received in molded blind holes 24. Tapped hole 25 receives
threaded shank 26 of fastener 14, whose head 27 has a slot 28, which
may be arcuately shaped so as to receive a small coin as well as a
Head 27 contains an annular undercut portion 29, as shown in the cross
section of Fig. 3, which engages bosses 17, 18, thereby locking the covers 11
and 12 to each other when fastener 14 is screwed into tapped hole 25. In
addition, mating faces 30 and 31 may be slightly angled, so that covers 11, 12
are cammed together tightly as fastener 14 is turned.
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