Projector with lamp cover lock

Details Projector with lamp cover lock Projector with lamp cover lock

2007-12-29

2010-11-02

Ko, Tony (Department: 2878)

Optics: image projectors

Housing

C353S122000

Reexamination Certificate

active

07824042

ABSTRACT:
A projector has a disassembling lock for preventing the lamp cover from being disassembled when the projector is secured to a ceiling. The disassembling lock includes a sleeve, a latching rod, a stop block, and a coil spring. The sleeve is secured in the projector and has a first sleeve portion and a second sleeve portion. The latching rod has a first rod portion, a second rod portion, and a flange formed between the first rod portion and the second rod portion, the flange is slidable inside the first sleeve portion. The stop block is fixed in a distal end of the first sleeve portion away from the second sleeve portion, the stop block defines a hole for the first rod portion sliding to the lamp cover. The coil spring is coiled around the first rod portion and held between the flange and the stop block.

REFERENCES:
patent: 6398366 (2002-06-01), Hara et al.
patent: 7210320 (2007-05-01), Nokleberg

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