Patent ID: 7552900
Filing Date: 2009-06-30
Classification: A47B

Abstract:
1. An apparatus for regulating a height of a music rack wherein the rack comprises a strut having upper and lower members vertically mounted to a bedplate in a telescopic manner and a length capable of being regulated, and a score plate mounted to an upper part of the strut, the apparatus comprising: a support tube fixedly mounted in the lower member of the strut vertically; a fixing tube body engaged to an upper end of the support tube and provided with a plurality of incised recesses in an periphery of an upper part thereof and a slide recess in an inner diameter thereof having a widened upper part and a lower part which is gradually narrowed; an operating body tightly engaged in the slide recess of the fixing tube body and elastically mounted by a bolt passing through the operating body and a spring; a support rod mounted vertically in the support tube and engaged at an upper end thereof to a lower part of the operating body by engagement with a lower end of the bolt; and a pedal mounted to the bedplate and configured to engage the support rod to raise and lower the support rod through a pushing operation.