Collapsible music stand extension device
a technology for extension devices and music stands, which is applied in the direction of lecterns, furniture parts, machine supports, etc., to achieve the effects of reducing device size, cost-effectiveness, and no adverse impact on device utility or portability
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[0043]Referring to FIG. 1, the present invention consists of a set of four thin rectangular sections 1, 2, 3, and 4, each section similar to the others, except that the two upper sections 1 and 2 are nominally one inch smaller than the two lower sections 3 and 4 in the preferred embodiment, as measured in the vertical (smaller) dimension of each rectangle. In the preferred embodiment, each rectangular section 1, 2, 3 and 4 is about 24 inches in width, with the upper sections 1 and 2 about 5.5 inches in height and the lower sections 3 and 4 about 6.5 inches in height. In the preferred embodiment, rectangular sections 1, 2, 3 and 4 have rounded corners as a safety feature. In the preferred embodiment, the fully assembled and expanded device is approximately 48 inches in length and 12.5 inches in height.
[0044]The present invention can be fabricated from either sheet metal or a thermoplastic material such as acrylic, polycarbonate or acrylonitrile butadiene styrene (ABS). The nature of ...
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