Patent ID: 6457398
Filing Date: 2002-10-01
Classification: B42D

Abstract:
A method of turning a plurality of music sheets automatically, comprisingcreating a stack of a plurality of transparent envelopes having an opened end, two closed side edges, and a closed bottom end opposite to said opened end, mounting said closed end of said envelopes to an elongated rod whereby said are turnable relative to said rod, said rod having two ends extending beyond said two closed side edges of said stack, forming an opened slot in a selected one edge portion of said opened end and two closed side edges of said envelopes, said opened slot being formed at a first location for odd numbers of said envelopes and at a second location for even numbers of said envelopes, mounting said music sheets in a sequential manner, one sheet in one envelope, into said envelopes, mounting said stack on a top forward leaning upper frame with said elongated rod positioned in a substantially horizontal manner and with said two ends therein rotatably engaging with mounting brackets positioned adjacent to a lower end of said upper frame, mounting a slider arm on said upper frame, said slider arm having a short finger extending over said one edge portion, and said slider arm being operable to slide between said first location and said second location alternately to cause said envelopes to turn downward by gravitational force one at a time to fall on to a lower display frame to display said music sheets one at a time sequentially.