Illumination – Sound equipment illuminator
Patent
1996-03-08
1997-08-26
Dority, Carroll B.
Illumination
Sound equipment illuminator
362 61, B60Q 100
Patent
active
056604564
ABSTRACT:
A pin device including a plurality of rib members formed radially on a lamp body, at least a part of each rib member integrated to one another, and a pin member so formed as to integrally project from the integrated parts of these rib members beyond upper edges of the rib members, and since the pin member is supported on the lamp body through the plurality of rib members, the required mechanical strength can be maintained while avoiding the undesirable shrinkage phenomena because no resin thicker portion formed on the back surface of the lamp body and, further, since the area of each rib member is not necessary to enlarge, a compact pin device can be accomplished and, furthermore, there is no need of a slide core because every parts of the pin device extends in the same direction as the retracting direction of the mold core for molding the lamp body.
REFERENCES:
patent: 4318161 (1982-03-01), Shanks
patent: 5546283 (1996-08-01), Ohtsuka et al.
patent: 5584559 (1996-12-01), Toda
Hirai Sumio
Matsuoka Ken
Shinkai Hiroshige
Sugiyama Kazuyoshi
Dority Carroll B.
Koito Manufacturing Co. Ltd.
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