Patent ID: 7824042
Filing Date: 2010-11-02
Classification: G03B,Y10T

Abstract:
1. A projector for mounting on a ceiling, comprising: an upper cover for facing the ceiling, the upper cover having a through hole defined therein a lower cover opposite to the upper cover, the lower cover having a through hole defined therein, the through hole of the upper cover being aligned with the through hole of the lower cover; a lamp cover having a latching groove defined therein, the latching groove facing the lower cover, the lamp cover being slidable relative to the lower cover; and a sleeve arranged between the upper cover and the lower cover and aligned with the through holes of the upper cover and the lower cover, the sleeve having a first sleeve portion proximate to the lower cover and a second sleeve portion proximate to the upper cover; a latching rod slidably received in the sleeve, the latching rod having a first rod portion, a second rod portion, and a flange formed between the first rod portion and the second rod portion, the flange being restricted to slide inside the first sleeve portion; a stop block fixed in the through hole of the lower cover, the stop block defining a hole for extension of the first rod portion therethrough and inserting into the latching groove of the lamp cover; and a coil spring coiled around the first rod portion and held between the flange and the stop block.