US 6,719,431 B2Granted

Adjusting apparatus for projector

AssigneeCoretronic Corporation

InventorsI-Hsien Liu, Fu-Shun Kao

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Abstract

The present invention comprises a body, an upper cover which forms a slide with the body, and a catching section which is in the slide and has at least one protrusive catching piece on a side of a front side surface. Another side of the catching section connects to an adjusting button with extended width, and the adjusting button is protruded from the body. A sliding sleeve set on a side of a front surface of the body, and a supporter is through the sliding sleeve. A back of the supporter has a plurality of positioning rack engaging with the catching piece. Besides, a rear side of the catching section is fastened on one end of a restoring element, and the other end is fixed on a rear wall of the body. The rear side of the catching section sets a guiding element, which two opening ends are through two guiding slots attached to a top edge of the rear wall. Each guiding slot is formed by a restricting block for guiding the catching section to move smoothly.

Claims8

Dependent claims

An adjusting apparatus for a projector comprising:

a body having an upper cover which forms a slide with the body, a front surface, and a rear wall which has two restricting blocks on a top edge of the rear wall to form guiding slots;
a sliding sleeve installed on a side of the front surface of the body;
a supporter which passes through the sliding sleeve and has a plurality of positioning rack on a rear surface of the supporter;
a catching section which is installed in the slide and has a front side surface, which has at least a protrusive catching piece on one side to engage with the positioning rack, and a rear side surface;
an adjusting button connecting to another side of the front side surface of the catching section and protruding out of the body;
at least one restoring element which has one end fastened on the rear side surface of the catching section and the other end fastened on the rear wall of the body;
and
a guiding element which connects to the rear side surface of the catching section and has two opening ends separately being through the guiding slots.

5 more elements

Dependencies are inferred from the claim text.