Adjustable video and still image projector stand

Details Adjustable video and still image projector stand Adjustable video and still image projector stand

2009-07-07

2011-10-11

Mckinnon, Terrell (Department: 3632)

Horizontally supported planar surfaces

Vertically adjustable

Articulated link shifts surface

C108S001000, C108S005000, C108S144110, C248S371000, C248S176100, C248S176300, C248S274100, C248S188200, C248S346060

Reexamination Certificate

active

08033229

ABSTRACT:
An adjustable projector stand is provided for supporting a video or still image projector. The projector stand is adjustable in pitch and tilt for positioning and leveling images projected on a screen in a manner that compensates for uneven support structures, such as tilted tables and poorly placed screens. The device may be powered manually by the user or by battery through the use of a motor. The projector stand generally consists of a platform with two legs, each of which is formed by two pivotally joined rods. Each leg is in direct rotational communication with a threaded rod disposed within the platform. Each rod is in turn coupled to a means for rotation, which may consist of a manually rotated knob or a battery powered motor. The raising and lowering of one leg may be performed independent of the other in order to allow the projector stand to be leveled on an uneven surface.

REFERENCES:
patent: 5720591 (1998-02-01), Ledet
patent: 6637350 (2003-10-01), McKsymick
patent: 7637468 (2009-12-01), Huang
patent: 7901091 (2011-03-01), Chen et al.
patent: 2002/0125662 (2002-09-01), Magness
patent: 2006/0289715 (2006-12-01), Tsuboi
patent: 2007/0034125 (2007-02-01), Lo
patent: 2011/0075350 (2011-03-01), Lindblad et al.

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